Admin imports cleanup
|Reported by:||Julien Phalip||Owned by:||nobody|
|Cc:||Triage Stage:||Ready for checkin|
|Has patch:||yes||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
I've spent some time around the admin lately and noticed a bunch of unused and redundant imports. The attached clean these all up in one go.