remove migarte proprerty

configuration.py

@@ -38,24 +38,3 @@ class MemberSequence(ModelSQL, CompanyValueMixin):
  ('code', '=', 'association.member'),
  ],
  depends=['company'])
-
- @classmethod
- def __register__(cls, module_name):
- TableHandler = backend.get('TableHandler')
- exist = TableHandler.table_exist(cls._table)
-
- super(MemberSequence, cls).__register__(module_name)
-
- if not exist:
- cls._migrate_property([], [], [])
-
- @classmethod
- def _migrate_property(cls, field_names, value_names, fields):
- field_names.append('member_sequence')
- value_names.append('member_sequence')
- fields.append('company')
- migrate_property('association.configuration',
- field_names,
- cls,
- value_names,
- fields=fields)