[Proposal] Remove unused `commit_repo_changes` method in `UserService`
[Proposal] Remove unused `commit_repo_changes` method in `UserService`

It seems like we don't use this anywhere? We do use it for `ProjectService` though, so this seems a little weird. Creating this PR to start the discussion - I didn't look into why we have this here yet, and why we don't call it
fastlane/ci,fastlane/ci,fastlane/ci,fastlane/ci,fastlane/ci