Remove old comment

tools/serve.go

@@ -9,7 +9,5 @@ func main() {
 	port := "8000"
 	publicDir := "public"
 	fmt.Printf("Serving Go by Example at http://127.0.0.1:%s\n", port)
-
-	// Simple static webserver:
 	http.ListenAndServe(":"+port, http.FileServer(http.Dir(publicDir)))
 }