ContentType should purge orphaned models
|Reported by:||Owned by:||nobody|
|Cc:||treborhudson@…||Triage Stage:||Ready for checkin|
|Has patch:||yes||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
When working with models there are often times when one refactors model class names which leaves orphaned content types in the database. Content types should clean themselves when they notice an app no longer contains models in the database.