enable use of replica database

When you use replica database the django-auditlog try to write in the same database where object was read (replica). But this is a read only database and crash the application.

This changes saves always in the default database.

If you want to save in multiple databases or in a special one use `DATABASE_ROUTERS` to configure it.

auditlog/models.py

@@ -67,13 +67,7 @@ class LogEntryManager(models.Manager):
                         content_type=kwargs.get("content_type"),
                         object_pk=kwargs.get("object_pk", ""),
                     ).delete()
-            # save LogEntry to same database instance is using
-            db = instance._state.db
-            return (
-                self.create(**kwargs)
-                if db is None or db == ""
-                else self.using(db).create(**kwargs)
-            )
+            return self.create(**kwargs)
         return None
 
     def get_for_object(self, instance):