Remove orphaned dio_put_city_map_raw/json() prototypes from headers
When dataio functions for city_map were removed (18 years ago), the dio_put_city_map() prototype wasn't deleted, and is still around today in both raw and json modules (without matching implementation, or matching get functions) ~> remove them.
When dataio functions for city_map were removed (18 years ago), the dio_put_city_map() prototype wasn't deleted, and is still around today in both raw and json modules (without matching implementation, or matching get functions) ~> remove them.