Remove deprecated model attribute reference. Closes #2896.

Author: maryokhin

docs/api-guide/generic-views.md

@@ -51,7 +51,7 @@ For more complex cases you might also want to override various methods on the vi
 
 For very simple cases you might want to pass through any class attributes using the `.as_view()` method.  For example, your URLconf might include something like the following entry:
 
-    url(r'^/users/', ListCreateAPIView.as_view(model=User), name='user-list')
+    url(r'^/users/', ListCreateAPIView.as_view(queryset=User.objects.all()), name='user-list')
 
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