[migration] Stop setting session.data['rebuild-infered']
It's no longer read anywhere since fe267b7336f3 "[migration] always
rebuild infered relation"
for table, column in [
('transactions', 'tx_time'),
('tx_entity_actions', 'tx_uuid'),
('tx_relation_actions', 'tx_uuid')]:
repo.system_source.create_index(session, table, column)
commit()