Merge branch 'remove-unnecessary-allows-on-gitlab-schemas' into 'master'

Part 1 : Remove unnecessary allows between gitlab_schemas

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/153294



Merged-by: Dylan Griffith <dyl.griffith@gmail.com>
Approved-by: Manoj M J <mmj@gitlab.com>
Approved-by: Dylan Griffith <dyl.griffith@gmail.com>
Reviewed-by: Manoj M J <mmj@gitlab.com>
Reviewed-by: Omar Qunsul <oqunsul@gitlab.com>
Co-authored-by: Omar Qunsul <oqunsul@gitlab.com>