remove copy/paste docstring

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28658 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Event.py

@@ -132,10 +132,7 @@ class Event(EmailDocument, Movement, AcknowledgeableMixin):
   security.declareProtected(Permissions.AccessContentsInformation,
                             'isAccountable')
   def isAccountable(self):
-    """
-      Returns 1 if this needs to be accounted
-      Only account movements which are not associated to a delivery
-      Whenever delivery is there, delivery has priority
+    """Events are accountable 
     """
     return 1