Fixes #7644: Prevent inadvertent deletion of prior change records when deleting objects (#7333 revisited)

netbox/netbox/models.py

@@ -40,11 +40,6 @@ class ChangeLoggingMixin(models.Model):
         blank=True,
         null=True
     )
-    object_changes = GenericRelation(
-        to='extras.ObjectChange',
-        content_type_field='changed_object_type',
-        object_id_field='changed_object_id'
-    )
 
     class Meta:
         abstract = True