Removed unused model's Options.installed.
Unused since
@@ -141,10 +141,6 @@ class Options:
# Don't go through get_app_config to avoid triggering imports.
return self.apps.app_configs.get(self.app_label)
- @property
- def installed(self):
- return self.app_config is not None
-
def contribute_to_class(self, cls, name):
from django.db import connection
from django.db.backends.utils import truncate_name
