React Native Stream Group Chat Tutorial: Comment out add member

comment out add member in Chat.js

// src/screens/Chat.js
async componentDidMount() {

  this.props.navigation.setParams({
    showUsersModal: this.showUsersModal
  });

  try {
    const user = await client.setUser(
      {
        id: this.user_id,
        name: this.username,
        image: `https://ui-avatars.com/api/?background=d88413&color=FFF&name=${this.username}`,
      },
      this.user_token
    );
    
    console.log("user is set!", user);

    /*
    await axios.post(`${CHAT_SERVER}/add-member`, {
      user_id: this.user_id
    });

    const channel = client.channel('messaging', 'sample-room1');
    this.channel = channel;

    const channel_state = await channel.watch({ presence: true });

    this.channel_state = channel_state;

    await this.asyncForEach(channel_state.messages, async (msg) => {
      const { message } = this.getMessage(msg);
      await this.setState((previousState) => ({
        messages: GiftedChat.append(previousState.messages, message)
      }));
    });

    channel.on('message.new', async (event) => {
      const { message } = this.getMessage(event.message);
      await this.setState((previousState) => ({
        messages: GiftedChat.append(previousState.messages, message)
      }));
    });
    */

  } catch (err) {
    console.log("error: ", err);
  }
}