Remove getIntIndex method, which was an useless hack.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13553 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/CalendarPeriod.py

@@ -198,18 +198,3 @@ class CalendarPeriod(Movement, Periodicity):
       else:
         next_start_date += 1
     return next_start_date
-
-  security.declareProtected(Permissions.AccessContentsInformation, 
-                            'getIntIndex')
-  def getIntIndex(self, default=None, *args, **kw):
-    """
-    Return a default value of the int index, based on the ID 
-    """
-    # XXX This method may be defined on a higher level document
-    result = self._baseGetIntIndex(*args, **kw)
-    if result in [None, '']:
-      try:
-        result = int(self.getId())
-      except ValueError:
-        result = default
-    return result