Remove debugging printf

server/http.go

@@ -277,7 +277,6 @@ func (h *Server) handleGrantTicket(w http.ResponseWriter, req *http.Request) {
 		if len(reqGroups) > 0 {
 			if auth.UserInfo != nil {
 				groups = intersectGroups(reqGroups, auth.UserInfo.Groups)
-				log.Printf("intersectGroups(%+v, %+v) -> %+v", reqGroups, auth.UserInfo.Groups, groups)
 			}
 			// We only make this check here as a convenience to
 			// the user (we may be able to show a nicer UI): the