Revert "Merge branch 'fix/cleanup_categories_plugin' into 'master'"
Revert !10 (merged) being merged. This should have been better reviewed - there are a number of code references to collection.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Revert !10 (merged) being merged. This should have been better reviewed - there are a number of code references to collection.