Remove dead code `createPolicyForGroupIdWithRepoFallback`
Remove dead code createPolicyForGroupIdWithRepoFallback
Discovered while working on https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1903
Remove dead code createPolicyForGroupIdWithRepoFallback
Discovered while working on https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1903