class_docstr: Manages interactions between agents on messenger as well as direct interactions
  between agents and the messenger overworld.
docstr: Mark the agent as removed from the pool.
  
  Can be overridden to change other metadata linked to agent removal.
  
  :param agent_id:
      int agent psid
  :param pageid:
      int page id
docstr_tok: ["Mark","the","agent","as","removed","from","the","pool",".","Can","be","overridden","to","change","other","metadata","linked","to","agent","removal",".",":","param","agent_id",":","int","agent","psid",":","param","pageid",":","int","page","id"]
code: def mark_removed(self, agent_id, pageid):
      """
      Mark the agent as removed from the pool.
  
      Can be overridden to change other metadata linked to agent removal.
  
      :param agent_id:
          int agent psid
      :param pageid:
          int page id
      """
      pass
  
imports: import logging
  import os
  from parlai.core.agents import create_agent
  import parlai.chat_service.utils.logging
  import parlai.chat_service.utils.server
  from parlai.utils.io import PathManager
  from parlai.chat_service.services.messenger.agents import MessengerAgent
  from parlai.chat_service.core.socket import ChatServiceMessageSocket
  from parlai.chat_service.services.messenger.message_sender import MessageSender
  from parlai.chat_service.core.chat_service_manager import ChatServiceManager
label_desc: Use image node_id 7 for calling the MessengerManager obj's underlying member method code with example usage: obj.mark_removed(agent_id, pageid) without return types