Fixes #7845: Removed a piece of stale code that was causing ./manage.py reset to fail with apps that don't have any models. Thanks to miracle2k for the report and patch.
Fixes #7845: Removed a piece of stale code that was causing ./manage.py reset to fail with apps that don't have any models. Thanks to miracle2k for the report and patch.

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@8401 bcc190cf-cafb-0310-a4f2-bffc1f526a37

sam-tsai/django-old,hugs/django,t11e/django,Instagram/django,Smarsh/django,hugs/django,Smarsh/django,hugs/django,skevy/django,jamespacileo/django-france,Instagram/django,Instagram/django,disqus/django-old,Smarsh/django,jamespacileo/django-france,dcramer/django-compositepks,bfirsh/django-old,mitsuhiko/django,django-nonrel/django-nonrel,dcramer/django-compositepks,skevy/django,django-nonrel/django-nonrel,sam-tsai/django-old,mitsuhiko/django,bfirsh/django-old,sam-tsai/django-old,alex/django-old,jamespacileo/django-france,skevy/django,disqus/django-old,alex/django-old,Smarsh/django,sam-tsai/django-old,dcramer/django-compositepks,disqus/django-old,alex/django-old,django-nonrel/django-nonrel,t11e/django,bfirsh/django-old,mitsuhiko/django,t11e/django