revert wrong import

src/Model/User.php

@@ -9,14 +9,12 @@ namespace Friendica\Model;
 
 use DivineOmega\PasswordExposed;
 use Exception;
-use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Core\Hook;
 use Friendica\Core\L10n;
 use Friendica\Core\Logger;
 use Friendica\Core\PConfig;
 use Friendica\Core\Protocol;
-use Friendica\Core\Session;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;