Merge branch '490354-remove-flag-set_delete_failed_container_repository' into 'master'

Remove feature flag: `set_delete_failed_container_repository`

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/169040



Merged-by: Radamanthus Batnag <rbatnag@gitlab.com>
Approved-by: Moaz Khalifa <mkhalifa@gitlab.com>
Approved-by: Radamanthus Batnag <rbatnag@gitlab.com>
Co-authored-by: Adie Po <avpfestin@gitlab.com>