MGMT-17308: Offboard osherdp from maintainers list

[osherdp]

/cc @gamli75

[openshift-ci-robot]

@osherdp: This pull request references MGMT-17308 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.16.0" version, but no target version was set.

In response to [this](https://github.com/openshift/appliance/pull/210): >/cc @gamli75 Instructions for interacting with me using PR comments are available [here](https://prow.ci.openshift.org/command-help?repo=openshift%2Fappliance). If you have questions or suggestions related to my behavior, please file an issue against the [openshift-eng/jira-lifecycle-plugin](https://github.com/openshift-eng/jira-lifecycle-plugin/issues/new) repository.

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: osherdp

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/openshift/appliance/blob/master/OWNERS)~~ [osherdp] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[openshift-ci[bot]]

@osherdp: all tests passed!

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Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).

[danielerez]

/lgtm

Thanks for the contributions @osherdp :)

[osherdp]

/lgtm

Thanks for the contributions @osherdp :)

yeah, first time cloning this repository XD

[osherdp]

/retest