Fix for "String could not be parsed as XML" in server part of aps installer.

Till Brehm

2015-03-06 27978b1082cf730da91a675b18bbe625f4c8cf39

 interface/web/tools/lib/lang/cz_tpl_default.lng

@@ -6,4 +6,3 @@
$wb['btn_cancel_txt'] = 'Zpět';
?>