serve http: fix: logging url on start

lib/http/server.go

@@ -523,8 +523,6 @@ func (s *Server) initTLS() error {
 func (s *Server) Serve() {
 	s.wg.Add(len(s.instances))
 	for _, ii := range s.instances {
-		// TODO: decide how/when to log listening url
-		// log.Printf("listening on %s", ii.url)
 		go ii.serve(&s.wg)
 	}
 	// Install an atexit handler to shutdown gracefully