Rename offer signal to remove unused conditions/benefits
@@ -9,7 +9,7 @@ Benefit = get_model('offer', 'Benefit')
@receiver(post_delete, sender=ConditionalOffer)
-def delete_related_useless_conditions_and_benefits(instance, **kwargs):
+def delete_unused_related_conditions_and_benefits(instance, **kwargs):
offer = instance # the object is no longer in the database
condition_id = offer.condition_id
