remove "extern" mention after admin.id computed by cities
remove "extern" mention after admin.id computed by cities

kinnou02/navitia,Tisseo/navitia,xlqian/navitia,kadhikari/navitia,antoine-de/navitia,CanalTP/navitia,xlqian/navitia,Tisseo/navitia,kadhikari/navitia,kadhikari/navitia,CanalTP/navitia,patochectp/navitia,pbougue/navitia,patochectp/navitia,Tisseo/navitia,kinnou02/navitia,pbougue/navitia,kinnou02/navitia,antoine-de/navitia,xlqian/navitia,kinnou02/navitia,CanalTP/navitia,pbougue/navitia,antoine-de/navitia,antoine-de/navitia,Tisseo/navitia,pbougue/navitia,patochectp/navitia,kadhikari/navitia,CanalTP/navitia,xlqian/navitia,patochectp/navitia,Tisseo/navitia,CanalTP/navitia,xlqian/navitia