Remove unneeded history removal.
This MR removes the no longer needed toolbar 'hack' that made it impossible for people without admin permissions to use the (then broken, now nonexistant) Undo and History functionality.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This MR removes the no longer needed toolbar 'hack' that made it impossible for people without admin permissions to use the (then broken, now nonexistant) Undo and History functionality.