fix(hermes-web-cli): remove unnecessary binds from Menu widget

Menu widget automatically handles item_click events when url and target are provided
in menu items, so explicit binds are not needed.

wwwroot/index.ui

@@ -91,20 +91,7 @@
             ],
             "item_cheight": 40,
             "menuitem_css": "menuitem"
-          },
-          "binds": [
-            {
-              "wid": "self",
-              "event": "item_click",
-              "actiontype": "urlwidget",
-              "target": "main-content",
-              "options": {
-                "url": "{{params.url}}",
-                "params": {}
-              },
-              "mode": "replace"
-            }
-          ]
+          }
         },
         {
           "widgettype": "VBox",