remove this obsolete comment

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41562 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Base.py

@@ -1344,9 +1344,6 @@ class Base( CopyContainer,
     defined on this object.
     If an accessor exists for this property, the accessor will be called,
     default value will be passed to the accessor as first positional argument.
-
-    XXX Usage of getProperty is BAD. It should either be removed
-    or reused
     """
     accessor_name = 'get' + UpperCase(key)
     aq_self = aq_base(self)