Merge branch '356319_cleanup_artifact_loop_limit_flag' into 'master'

Cleanup for the flag ci_job_artifacts_backlog_large_loop_limit

See merge request gitlab-org/gitlab!191860



Merged-by: Tianwen Chen <tchen@gitlab.com>
Approved-by: drew stachon <730684-drew@users.noreply.gitlab.com>
Approved-by: Tianwen Chen <tchen@gitlab.com>
Reviewed-by: drew stachon <730684-drew@users.noreply.gitlab.com>
Reviewed-by: Tianwen Chen <tchen@gitlab.com>
Co-authored-by: Madhusudan Vaishnao <mvaishnao@gitlab.com>