Updated references to the TEST_* database settings.

They were removed in Django 1.9.

I could leave the reference to TEST_DEPENDENCIES in the 1.2.4 release
notes because the link points to the right location and the name was
accurate at the time.

django/db/backends/base/creation.py

@@ -137,7 +137,7 @@ class BaseDatabaseCreation(object):
         Internal implementation - returns the name of the test DB that will be
         created. Only useful when called from create_test_db() and
         _create_test_db() and when no external munging is done with the 'NAME'
-        or 'TEST_NAME' settings.
+        settings.
         """
         if self.connection.settings_dict['TEST']['NAME']:
             return self.connection.settings_dict['TEST']['NAME']