removeChatVerification(chatId, form = {}) {
    form.chat_id = chatId;
    return this._request('removeChatVerification', { form });
  }
This method removes verification from a chat who is currently verified [on behalf of the organization](https://telegram.org/verify#third-party-verification) which is represented by the bot.

@param {Number} chatId Unique identifier of the target chat.
@param {Object} [options] Additional Telegram query options.
@return {Promise} On success, returns true.
@see https://core.telegram.org/bots/api#removechatverification