Revert "feat: raw delete expired instead of Queryset.delete (celery…

…#235)"

This partially reverts commit 7c7cb67.

django_celery_results/managers.py

@@ -8,7 +8,7 @@
 from django.conf import settings
 from django.db import connections, models, router, transaction
 
-from .utils import now, raw_delete
+from .utils import now
 
 W_ISOLATION_REP = """
 Polling results with transaction isolation level 'repeatable-read'
@@ -87,7 +87,7 @@ def get_all_expired(self, expires):
     def delete_expired(self, expires):
         """Delete all expired results."""
         with transaction.atomic(using=self.db):
-            raw_delete(queryset=self.get_all_expired(expires))
+            self.get_all_expired(expires).delete()
 
 
 class TaskResultManager(ResultManager):

django_celery_results/utils.py

@@ -15,8 +15,3 @@ def now():
         return now_localtime(timezone.now())
     else:
         return timezone.now()
-
-
-def raw_delete(queryset):
-    """Raw delete given queryset."""
-    return queryset._raw_delete(queryset.db)