chamilo-lms2/plugin/logintcc/uninstall.php

<?php
/**
 * This script is included by main/admin/settings.lib.php when unselecting a plugin
 * and is meant to remove things installed by the install.php script in both
 * the global database and the courses tables
 * @package chamilo.plugin.bigbluebutton
 */

//require_once __DIR__.'/config.php';
LoginTCC::create()->uninstall();