add - new pricing attr system

apps/product/signals.py

@@ -66,14 +66,6 @@ def update_quota_remaining(sender, instance, **kwargs):
     if getattr(instance, '_from_signal', False):
         return
 
-    # when delete object, prevent from update fields error
-    # if kwargs.get('signal') == post_delete:
-    if instance.trash:
-        if instance.parent_distribution:
-            remaining_distribution_weight(instance.parent_distribution)
-    else:
-        remaining_distribution_weight(instance)
-
 
 def update_product_stats(instance: Product, distribution: QuotaDistribution = None):
     """ update all stats of product  """