Removed thread tag updater

boards/models/thread.py

@@ -180,12 +180,4 b' class Thread(models.Model):'
         super(Thread, self).delete(using)
 
     def __str__(self):
-        return 'T#{}/{}'.format(self.id, self.get_opening_post_id())
-
-    def save(self, force_insert=False, force_update=False, using=None,
-             update_fields=None):
-        super().save(force_insert, force_update, using, update_fields)
-
-        if not update_fields or 'tags' in update_fields:
-            for tag in self.tags.all():
-                tag.threads.add(self)
  No newline at end of file
+        return 'T#{}/{}'.format(self.id, self.get_opening_post_id())
  No newline at end of file