[1.3.X] Fixed #15758 -- Removed stale constants that were missed in r15983.
[1.3.X] Fixed #15758 -- Removed stale constants that were missed in r15983.

Backport from trunk (r16084).

git-svn-id: 6bee183d120e8e569924b918ee6c564bbb314a32@16085 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django-nonrel/django-nonrel,django-nonrel/django-nonrel,django-nonrel/django-nonrel