[1.2.X] Fixed #14005 - Removed a few unneeded workarounds in the Sphinx...

[1.2.X] Fixed #14005 - Removed a few unneeded workarounds in the Sphinx extension. Thanks for the report and patch, Ramiro Morales.

Backport of r13447 from trunk.



git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13448 bcc190cf-cafb-0310-a4f2-bffc1f526a37