Remove no-longer needed handler imports

This was finally fixed upstream in
https://code.djangoproject.com/ticket/5350.

Signed-off-by: Dan McGee <dan@archlinux.org>

urls.py

@@ -1,7 +1,6 @@
 import os.path
 
-# Stupid Django. Don't remove these "unused" handler imports
-from django.conf.urls import handler500, handler404, include, patterns
+from django.conf.urls import include, patterns
 from django.conf import settings
 from django.contrib import admin