Update agent_service: remove useless method

pqai_agent/agent_service.py

@@ -333,17 +333,6 @@ class AgentService:
             return False
         return True
 
-    def send_response(self, staff_id, user_id, response, message_type: MessageType, skip_check=False):
-        logger.warning(f"staff[{staff_id}] user[{user_id}]: response[{message_type}] {response}")
-        if not skip_check and not self.can_send_to_user(staff_id, user_id):
-            return
-        current_ts = int(time.time() * 1000)
-        self.send_rate_limiter.wait_for_sending(staff_id, response)
-        self.send_queue.produce(
-            MqMessage.build(message_type, MessageChannel.CORP_WECHAT,
-                            staff_id, user_id, response, current_ts)
-        )
-
     def send_multimodal_response(self, staff_id, user_id, response: Dict, skip_check=False):
         message_type = response["type"]
         logger.warning(f"staff[{staff_id}] user[{user_id}]: response[{message_type}] {response}")