budget line does not need document property sheet

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27957 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BudgetLine.py

@@ -55,7 +55,6 @@ class BudgetLine(Predicate, XMLMatrix, Variated):
                       , PropertySheet.Arrow
                       , PropertySheet.Budget
                       , PropertySheet.Amount
-                      , PropertySheet.Document
                       , PropertySheet.VariationRange
                       , PropertySheet.Assignment
     )