Remove warning admin access level may be removed
Removes warning now that it has been agreed that admin unprotect access level is necessary.
Related issues
Reverts https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/5437
Removes warning now that it has been agreed that admin unprotect access level is necessary.
Reverts https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/5437