magic-removal: removed bad import. django.models is gone as of [1919].

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1921 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management.py

@@ -764,7 +764,6 @@ class ModelErrorCollection:
 
 def get_validation_errors(outfile):
     "Validates all installed models. Writes errors, if any, to outfile. Returns number of errors."
-    import django.models
     from django.db import models
     e = ModelErrorCollection(outfile)
     module_list = models.get_installed_model_modules()