removes printfs.  testURDFmex passes kintest for *almost* all urdfs in the repo
removes printfs.  testURDFmex passes kintest for *almost* all urdfs in the repo

tkoolen/drake,psiorx/drake,edowson/drake,hanssusilo/drake,sheim/drake,billhoffman/drake,scottviteri/drake,edowson/drake,sheim/drake,billhoffman/drake,hanssusilo/drake,psiorx/drake,billhoffman/drake,billhoffman/drake,scottviteri/drake,psiorx/drake,thientu/drake,sheim/drake,edowson/drake,astrorog/drake,sheim/drake,scottviteri/drake,crogers3/drake,psiorx/drake,tkoolen/drake,psiorx/drake,crogers3/drake,crogers3/drake,billhoffman/drake,thientu/drake,tkoolen/drake,billhoffman/drake,sheim/drake,scottviteri/drake,tkoolen/drake,billhoffman/drake,thientu/drake,psiorx/drake,edowson/drake,tkoolen/drake,psiorx/drake,thientu/drake,hanssusilo/drake,scottviteri/drake,crogers3/drake,crogers3/drake,edowson/drake,hanssusilo/drake,tkoolen/drake,sheim/drake,astrorog/drake,tkoolen/drake,astrorog/drake,astrorog/drake,billhoffman/drake,thientu/drake,edowson/drake,hanssusilo/drake,crogers3/drake,scottviteri/drake,crogers3/drake,thientu/drake,thientu/drake,astrorog/drake,hanssusilo/drake,astrorog/drake,crogers3/drake,sheim/drake,scottviteri/drake,sheim/drake,hanssusilo/drake,edowson/drake,psiorx/drake,edowson/drake,astrorog/drake,hanssusilo/drake