Drop skipIfCustomUser decorator
|Reported by:||timo||Owned by:||nobody|
|Has patch:||no||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
With the test discovery changes in 1.6, the tests for django.contrib apps are no longer run as part of user's project. For this reason I believe we no longer need to decorate tests in contrib.auth with @skipIfCustomUser.