Revert "Search allowed attributes in superior objectclasses"

This reverts commit a58cbb985e.

We are going to take another approach to this. Instead of erroring
out on attributes that don't seem to be allowed we are going to
eventually return a warning.

ipaserver/plugins/ldap2.py

@@ -413,9 +413,6 @@ class ldap2(CrudBackend, Encoder):
             obj = self.schema.get_obj(_ldap.schema.ObjectClass, oc)
             if obj is not None:
                 allowed_attributes += obj.must + obj.may
-                # look for allowed attributes in the superior objectclasses
-                if obj.sup:
-                    allowed_attributes += self.get_allowed_attributes(obj.sup,raise_on_unknown)
             elif raise_on_unknown:
                 raise errors.NotFound(reason=_('objectclass %s not found') % oc)
         return [unicode(a).lower() for a in list(set(allowed_attributes))]