Remove unused files that appear in the API-M docs startup log

[nilminiwso2]

Investigate and clear out the files that we don't need from the list given below. This is from the mkdocs startup log:

INFO    -  The following pages exist in the docs directory, but are not included in the "nav" configuration:
  - page-not-found.md
  - administer/logging-and-monitoring/logging/admin-configuring-the-log-provider.md
  - administer/logging-and-monitoring/monitoring/jmx-monitoring.md
  - administer/managing-users-and-roles/managing-user-stores/configuring-the-system-administrator.md
  - administer/managing-users-and-roles/managing-user-stores/understanding-the-user-realm.md
  - administer/managing-users-and-roles/managing-user-stores/working-with-properties-of-user-stores.md
  - administer/multitenancy/adding-new-tenants.md
  - assets/attachments/quick-start-guide/backend-service/HospitalServicesProj/src/DoctorInfo/Module.md
  - consume/customizations/adding-internationalization.md
  - consume/manage-application/grant-type.md
  - consume/manage-application/advanced-topics/adding-an-application-creation-workflow-using-bps.md
  - consume/manage-application/advanced-topics/adding-an-application-key-generation-workflow-using-bps.md
  - consume/manage-subscription/advanced-topics/adding-an-api-subscription-workflow-using-bps.md
  - deploy-and-publish/deploy-on-gateway/choreo-connect/configurations/analytics-configurations.md
  - deploy-and-publish/deploy-on-gateway/choreo-connect/security/api-authentication/mutual-ssl-authentication.md
  - design/advanced-topics/adding-an-api-state-change-workflow-using-bps.md
  - design/api-monetization/configuring-api-monetization-category-labels.md
  - design/api-security/api-authentication/advanced-topics/changing-the-default-token-expiration-time.md
  - design/api-security/oauth2/access-tokens-per-device.md
  - design/api-security/threat-protection/gateway-threat-protectors/json-threat-protection-for-api-gateway.md
  - design/api-security/threat-protection/gateway-threat-protectors/regular-expression-threat-protection-for-api-gateway.md
  - design/api-security/threat-protection/gateway-threat-protectors/xml-threat-protection-for-api-gateway.md
  - design/create-api/create-a-websocket-api.md
  - develop/streaming-apps/siddhi-application-overview.md
  - includes/invoke-api-with-api-key.md
  - includes/invoke-api-with-jwt.md
  - includes/obtain-api-key.md
  - includes/obtain-jwt.md
  - includes/prerequisites-apim.md
  - includes/sign-in-devportal.md
  - includes/sign-in-publisher.md
  - includes/deploy/assign-custom-hostname.md
  - includes/deploy/backend-jwt-gw-note.md
  - includes/deploy/backend-jwt-intro.md
  - includes/deploy/backend-jwt-note.md
  - includes/deploy/view-custom-hostname.md
  - includes/design/stream-more-links.md
  - includes/design/create-streaming-api/create-a-sse-streaming-api.md
  - includes/design/create-streaming-api/create-a-streaming-api-from-an-asyncapi-definition.md
  - includes/design/create-streaming-api/create-a-websocket-streaming-api.md
  - includes/design/create-streaming-api/create-a-websub-streaming-api.md
  - includes/design/create-streaming-api/streaming-api-overview.md
  - includes/design/create-streaming-api/test-a-websub-api.md
  - includes/integration/pull-content-migration-esb-mi.md
  - includes/integration/pull-content-registry-migration.md
  - includes/integration/pull-content-user-store-db-id.md
  - includes/streaming/enable-publishing.md
  - install-and-setup/install/admin-product-startup-options.md
  - install-and-setup/setup/setup-overview.md
  - install-and-setup/setup/distributed-deployment/clustering-gateway-for-ha-using-rsync.md
  - install-and-setup/setup/distributed-deployment/configuring-the-gateway-in-a-distributed-environment-with-rsync.md
  - install-and-setup/setup/kubernetes-operators/k8s-wso2am-operator.md
  - install-and-setup/setup/kubernetes-operators/k8s-api-operator/configuration-overview.md
  - install-and-setup/setup/kubernetes-operators/k8s-api-operator/troubleshooting.md
  - install-and-setup/setup/mi-setup/adding_a_custom_proxy_path.md
  - install-and-setup/setup/mi-setup/changing_default_ports.md
  - install-and-setup/setup/mi-setup/govern_ext_refs_across_env.md
  - install-and-setup/setup/mi-setup/deployment/deployment_checklist.md
  - install-and-setup/setup/mi-setup/deployment/health_check.md
  - install-and-setup/setup/mi-setup/deployment/troubleshooting_deployment.md
  - install-and-setup/setup/mi-setup/observability/observability-and-manage-overview.md
  - install-and-setup/setup/mi-setup/observability/observability-with-grafana-overview.md
  - install-and-setup/setup/mi-setup/observability/observability.md
  - install-and-setup/setup/mi-setup/observability/logs/monitoring_logs.md
  - install-and-setup/setup/security/configuring-tls-termination.md
  - install-and-setup/setup/security/logins-and-passwords/encrypting-passwords-with-cipher-tool.md
  - install-and-setup/setup/setting-up-databases/changing-default-databases/changing-to-mysql-cluster.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/admin-searching-the-registry.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/admin-working-with-users-roles-and-permissions.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/managing-the-registry/adding-a-resource.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/managing-the-registry/editing-collections-using-the-entries-panel.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/managing-the-registry/link-creation.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/managing-the-registry/metadata.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/managing-the-registry/properties.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/managing-the-registry/role-permissions.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/using-remote-registry/admin-all-partitions-in-a-single-server.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/using-remote-registry/admin-config-and-governance-partitions-in-a-remote-registry.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/using-remote-registry/admin-config-and-governance-partitions-in-separate-nodes.md
  - install-and-setup/setup/setting-up-databases/working-with-the-resgistry/using-remote-registry/admin-governance-partition-in-a-remote-registry.md
  - install-and-setup/setup/si-setup/creating-business-rules-templates.md
  - install-and-setup/setup/si-setup/defining-data-tables.md
  - install-and-setup/setup/si-setup/defining-tables-for-physical-stores.md
  - install-and-setup/setup/si-setup/environment-compatibility.md
  - install-and-setup/setup/si-setup/introduction-to-user-management.md
  - install-and-setup/setup/si-setup/user-management-via-the-idp-client-interface.md
  - install-and-setup/setup/single-node/deploying-api-manager-using-single-node-instances.md
  - install-and-setup/upgrading-wso2-si/migrating-from-stream-processor.md
  - install-and-setup/upgrading-wso2-si/upgrading-from-previous-version.md
  - observe/overview-of-api-analytics.md
  - observe/api-manager-analytics/adding-third-party-non-osgi-libraries.md
  - observe/api-manager-analytics/alert-types.md
  - observe/api-manager-analytics/analytics-event-streams-and-aggregations.md
  - observe/api-manager-analytics/configuring-alerts.md
  - observe/api-manager-analytics/configuring-analytics-for-microgateway.md
  - observe/api-manager-analytics/configuring-apim-analytics.md
  - observe/api-manager-analytics/configuring-keystores-in-apim-analytics.md
  - observe/api-manager-analytics/creating-custom-widgets-in-analytics-dashboards.md
  - observe/api-manager-analytics/customizing-analytics-dashboards.md
  - observe/api-manager-analytics/default-ports-of-wso2-api-m-analytics.md
  - observe/api-manager-analytics/enabling-wso2-api-m-analytics-features.md
  - observe/api-manager-analytics/general-data-protection-regulation-gdpr-for-wso2-api-manager-analytics.md
  - observe/api-manager-analytics/integrating-with-google-analytics.md
  - observe/api-manager-analytics/managing-dashboard-permissions.md
  - observe/api-manager-analytics/monthly-api-usage-report.md
  - observe/api-manager-analytics/publishing-custom-data.md
  - observe/api-manager-analytics/publishing-events-to-analytics-cloud.md
  - observe/api-manager-analytics/purging-analytics-data.md
  - observe/api-manager-analytics/subscribing-for-alerts.md
  - observe/api-manager-analytics/white-labeling-tenants.md
  - observe/api-manager-analytics/analytics-pages/analytics-pages-report.md
  - observe/api-manager-analytics/analyzing-apim-statistics-with-batch-analytics/using-geo-location-based-statistics/configuring-geo-location-based-statistics.md
  - observe/api-manager-analytics/analyzing-apim-statistics-with-batch-analytics/using-geo-location-based-statistics/creating-geo-location-data-set.md
  - observe/api-manager-analytics/analyzing-apim-statistics-with-batch-analytics/using-geo-location-based-statistics/writing-a-custom-geo-location-provider.md
  - observe/api-manager-analytics/viewing-api-statistics/api-analytics-dashboard.md
  - observe/api-manager-analytics/viewing-api-statistics/application-analytics-dashboard.md
  - observe/api-manager-analytics/viewing-api-statistics/business-analytics-dashboard.md
  - observe/api-manager-analytics/viewing-api-statistics/monitoring-dashboard.md
  - observe/si-observe/monitoring-received-events-count-via-logs.md
  - observe/si-observe/viewing-cdc-statistics.md
  - observe/si-observe/viewing-file-statistics.md
  - observe/si-observe/viewing-rdbms-statistics.md
  - observe/si-observe/viewing-server-statistics.md
  - observe/si-observe/viewing-sink-statistics.md
  - publish/api-microgateway/internal-communication-protocol.md
  - publish/api-microgateway/quick-start-guide.md
  - reference/accessibility-compliance.md
  - reference/analytics-rest-api.md
  - reference/enabling-authentication-session-persistence.md
  - reference/other.md
  - reference/using-the-registry-rest-api.md
  - reference/working-with-audit-logs.md
  - reference/connectors/deploy-capp.md
  - reference/connectors/exporting-artifacts.md
  - reference/connectors/importing-connector-to-integration-studio.md
  - reference/connectors/as400-pcml-connector/as400-pcml-connector-configuration.md
  - reference/connectors/as400-pcml-connector/as400-pcml-connector-reference.md
  - reference/connectors/ceridiandayforce-connector/employee-personal-information/employeeethnicities.md
  - reference/connectors/gmail-connector/configuring-gmail-api.md
  - reference/connectors/google-spreadsheet-connector/get-credentials-for-google-spreadsheet.md
  - reference/connectors/microsoft-dynamics365-connector/microsoft-dynamics365-configuration.md
  - reference/connectors/salesforce-connectors/salesforce-soap-reference.md
  - reference/connectors/salesforce-connectors/salesforcebulk-connector-configuration.md
  - reference/connectors/salesforce-connectors/salesforcebulk-connector-example.md
  - reference/connectors/salesforce-connectors/salesforcebulk-reference.md
  - reference/connectors/salesforce-soap-connector/sf-soap-connector-config.md
  - reference/connectors/salesforce-soap-connector/sf-soap-connector-example.md
  - reference/customize-product/customizations/adding-a-user-signup-workflow-using-bps.md
  - reference/customize-product/customizations/customizing-the-developer-portal/advanced-customization.md
  - reference/guides/business-scenarios.md
  - reference/guides/database-upgrade-guide.md
  - reference/product-apis/token-api.md
  - reference/product-apis/getting-started/guide-admin-v0.17.md
  - reference/product-apis/getting-started/guide-admin-v1.md
  - reference/product-apis/getting-started/guide-devportal-v1.md
  - reference/product-apis/getting-started/guide-gateway-v1.md
  - reference/product-apis/getting-started/guide-publisher-v1.md
  - reference/synapse-properties/pull/proxy-service-add-properties-pull.md
  - streaming/connectors/configuring-System-Parameters-for-Siddhi-Extensions.md
  - streaming/connectors/connectors-overview.md
  - streaming/connectors/downloading-and-Installing-Siddhi-Extensions.md
  - streaming/connectors/writing-Custom-Siddhi-Extensions.md
  - tutorials/create-and-publish-websocket-api.md
  - tutorials/integration-tutorials/sap-integration.md
  - use-cases/streaming-tutorials/transforming-data.md
  - customizations.md 

[Mariangela]

Email: [API-M 4.0] Need help to evaluate what pages can be deleted

https://docs.google.com/spreadsheets/d/1YTQ_EcPzcC6clnJZPV2gf8g7vBklQqVkyTpLln0Jcuw/edit#gid=1642345734

[Mariangela]

We need more help in this aspect to identify whether these pages can be deleted or not. The TWs will check the owners of the pages and check with them in this regard.