removeForm example

$em->flush($plugin);

        // Remove event subscribers         $sql = 'DELETE FROM s_core_subscribes WHERE pluginID = ?';
        $connection->executeUpdate($sql, [$id]);

        // Remove crontab-entries         $sql = 'DELETE FROM s_crontab WHERE pluginID = ?';
        $connection->executeUpdate($sql, [$id]);

        // Remove form         $this->removeForm($bootstrap, $removeData);

        // Remove snippets         if ($capabilities['secureUninstall']) {
            $bootstrap->removeSnippets($removeData);
        } else {
            $bootstrap->removeSnippets(true);
        }

        // Remove menu-entries         $sql = 'DELETE FROM s_core_menu WHERE pluginID = ?';
        $connection->executeUpdate($sql, [$id]);