ERP5Type: id_as_reference.__migrate is now dead code, remove it

product/ERP5Type/id_as_reference.py

@@ -44,22 +44,6 @@ def IdAsReferenceMixin(suffix):
     def cb_isMoveable(self):
       return self.cb_userHasCopyOrMovePermission()
 
-    def __migrate(self):
-      if self.id[suffix_index:] != suffix:
-        new_id = self.__dict__.get('default_reference') + suffix
-        parent = self.getParentValue()
-        if parent.has_key(new_id):
-          LOG("IdAsReferenceMixin", WARNING, "Skipping migration of %r in %r"
-              " property sheet, due to ID conflict" % (new_id, parent.getId()))
-        else:
-          try:
-            self.setId(new_id)
-            del self.default_reference
-          except ActivityPendingError:
-            LOG("IdAsReferenceMixin", WARNING, "Skipping migration of %r in %r"
-              " property sheet, due to pending activities" %
-               (new_id, parent.getId()))
-
     security.declareProtected(Permissions.AccessContentsInformation,
                               'getIdAsReferenceSuffix')
     @staticmethod