去除无效代码

robot.py

@@ -454,13 +454,6 @@ class Robot:
         while True:
             time.sleep(1)
 
-    # 添加一个方法用于刷新联系人信息
-    async def refresh_contacts(self):
-        """刷新联系人信息"""
-        self.allContacts = self.get_all_contacts()
-        friends = await self.ipad_bot.get_contract_list()
-        self.contact_manager.refresh_contacts(self.allContacts, friends)
-        self.LOG.info("联系人信息已刷新")
 
     async def send_group_txt_message(self, msg: str, feature: Feature):
         """向所有启用了特定功能的群发送文本消息"""