budget_line_variation and budget_cell_variation concepts have been abandonned

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27783 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/Budget.py

@@ -31,5 +31,4 @@ class Budget:
   Budget properties
   """
 
-  _categories = ( 'budget_type', 'budget_line_variation',
-                  'budget_cell_variation', )
+  _categories = ( 'budget_type', )