Merge branch '3-fehler-bei-ausfuhrung-des-cronjobs-in-stud-ip-5-5' into 'main'

Resolve "Fehler bei Ausführung des Cronjobs in Stud.IP 5.5"

Closes #3

See merge request !6

TandemPluginCronjob.class.php

@@ -26,14 +26,6 @@ class TandemPluginCronjob extends CronJob
         return dgettext('TandemPlugin', 'Entfernt alte Tandem-Gesuche.');
     }
 
-
-    public function setUp()
-    {
-        global $STUDIP_BASE_PATH;
-        require_once($STUDIP_BASE_PATH . '/lib/classes/Config.php');
-    }
-
-
     public function execute($last_result, $parameters = [])
     {
         $delete_old_period = (int)Config::Get()->TANDEMPLUGIN_DELETE_OLD_PERIOD;