[1.2.X] Fixed #13153 -- Removed a stale reference to the examples directory in...

[1.2.X] Fixed #13153 -- Removed a stale reference to the examples directory in setup.cfg. Thanks to cesar@mifprojects.com for the report.

Backport of r13487 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13488 bcc190cf-cafb-0310-a4f2-bffc1f526a37