Merge branch '363331-remove-unused-feature-flag' into 'master'

Remove unused feature flag

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183168



Merged-by: Savas Vedova <svedova@gitlab.com>
Approved-by: Lee Tickett <ltickett@gitlab.com>
Approved-by: Savas Vedova <svedova@gitlab.com>
Reviewed-by: Lee Tickett <ltickett@gitlab.com>
Co-authored-by: Jacques <jerasmus@gitlab.com>