[Feature flag cleanup] Block merging if there are failed status checks

Summary

This issue is to cleanup the only_allow_merge_if_all_status_checks_passed feature flag, after the feature flag has been enabled by default for an appropriate amount of time in production.

Owners

• Team: groupcompliance
• Most appropriate slack channel to reach out to: #g_manage_compliance
• Best individual to reach out to: @dftian
• PM: @stkerr

Stakeholders

Expectations

What might happen if this goes wrong?

Cleaning up the feature flag

• Create a merge request to remove only_allow_merge_if_all_status_checks_passed feature flag. Ask for review and merge it.
  • Remove all references to the feature flag from the codebase.
  • Remove the YAML definitions for the feature from the repository.
  • Create a changelog entry.
• Ensure that the cleanup MR has been deployed to both production and canary. If the merge request was deployed before the code cutoff, the feature can be officially announced in a release blog post.
  • /chatops run auto_deploy status 00693c880db0c069124029f6b075ac2bc5611b1e
• Close the feature issue to indicate the feature will be released in the current milestone.
• If not already done, clean up the feature flag from all environments by running these chatops command in #production channel:
  • /chatops run feature delete only_allow_merge_if_all_status_checks_passed --dev
  • /chatops run feature delete only_allow_merge_if_all_status_checks_passed --staging
  • /chatops run feature delete only_allow_merge_if_all_status_checks_passed
• Close this rollout issue.

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