Fix sanitary dump stations

https://wiki.openstreetmap.org/wiki/Tag:amenity%3Dsanitary_dump_station

plugins/TagRemove_Incompatibles.py

@@ -94,6 +94,7 @@ def init(self, logger):
                 ['event_venue', 'leisure', 'garden'],
                 ['gambling', 'leisure', 'adult_gaming_centre'],
                 ['restaurant', 'leisure', 'amusement_arcade'],
+                ['sanitary_dump_station', 'waterway', 'sanitary_dump_station'],
             ],
         }.items()