[Modify] Polish it

Example2/Echo.cs

@@ -8,12 +8,7 @@ namespace Example2
   {
     protected override void OnMessage (MessageEventArgs e)
     {
-      var name = QueryString["name"];
-      var msg = !name.IsNullOrEmpty ()
-                ? String.Format ("\"{0}\" to {1}", e.Data, name)
-                : e.Data;
-
-      Send (msg);
+      Send (e.Data);
     }
   }
 }