multiCombo results in broken taginfo reports

[matkoniecz]

https://taginfo.openstreetmap.org/keys/kneipp_water_cure%3A#projects is listed in taginfo, despite that it is not supported, see https://github.com/openstreetmap/id-tagging-schema/blob/22d1b81ef2a5dfdc1f85b839e551d50f4ae8df8f/data/fields/kneipp_water_cure_multi.json#L4