refactor(bk-apigateway-inner): remove unused inner apis

[wklken]

Description

• 删除没有使用的inner api:

  • get_latest_sdks: /api/v1/apis/latest-sdks/
  • query_api_metrics: /api/v1/apis/metrics/statistics/query-api-metrics/
  • apply_permission: /api/v1/apis/permissions/apply/
  • allow_apply_by_api: /api/v1/apis/{api_id}/permissions/app-permissions/allow-apply-by-api/
  • apply_resource_permission: /api/v1/apis/{api_id}/permissions/app-permissions/apply/
  • renew_resource_permission: /api/v1/apis/{api_id}/permissions/app-permissions/renew/
  • renew_resource_permission_2: /api/v1/apis/{api_id}/permissions/renew/
  • released_resources: /api/v1/apis/{api_id}/released/stages/{stage_name}/resources/
  • get_released_resource: /api/v1/apis/{api_id}/released/stages/{stage_name}/resources/{resource_name}/
  • get_api_v1_apis_api_id_resources + post_api_v1_apis_api_id_resources : /api/v1/apis/{api_id}/resources/
  • get_api_v1_apis_api_id_resources_released: /api/v1/apis/{api_id}/resources/released/
  • delete_api_v1_apis_api_id_resources_resource_id + get_api_v1_apis_api_id_resources_resource_id: /api/v1/apis/{api_id}/resources/{resource_id}/
  • list_stages: /api/v1/apis/{api_id}/stages/

• 删除对应的代码

• 新增 2 个 inner api

Checklist

• [x] 填写 PR 描述及相关 issue (write PR description and related issue)
• [x] 代码风格检查通过 (code style check passed)
• [x] PR 中包含单元测试 (include unit test)
• [x] 单元测试通过 (unit test passed)
• [ ] 本地开发联调环境验证通过 (local development environment verification passed)