How can a highway=cycleway have a prohibition for bicycles?

Has the toucan crossing here been replaced with another crossing type, and if so, what?
https://www.openstreetmap.org/node/4860857576

Have these signs been removed and replaced?
https://www.bing.com/maps?cp=51.532102%7E0.003973&lvl=20.2&mo=om.1&pi=-0.2&style=x&dir=347.5
https://www.mapillary.com/app/user/rskedgell?lat=51.4779829&lng=-0.0180406&z=18.20477552230186&pKey=1134111453754457&focus=photo