Revert "Removed code that was used as test fix for a letsencrypt issue."

Marius Burkard

2016-05-27 2a629844e8d67d6bc31d54e34ad1cda833c2e360

 interface/web/admin/lib/lang/cz_groups.lng

@@ -3,5 +3,3 @@
$wb['name_txt'] = 'Skupina';
$wb['name_err'] = 'Skupina musí mít min. 1, max. 30 znaků.';
?>