remove causality property because we decide to not use it anymore (r27690)

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27770 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TradeCondition.py

@@ -53,7 +53,7 @@ class TradeCondition(Path, Transformation, XMLMatrix):
       which should be applied (and used in the orders) when two companies make
       business together
     """
-    edited_property_list = ['price', 'causality','resource','quantity',
+    edited_property_list = ['price', 'resource', 'quantity',
         'reference', 'base_application_list', 'base_contribution_list']
 
     meta_type = 'ERP5 Trade Condition'