added missing language string already present in default theme

cfoe

2012-05-22 0ae667e6cfdd1bcc85bacf85cd93a84f99fa88f8

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

@@ -4,4 +4,3 @@
$wb['btn_save_txt'] = 'Exportar idioma seleccionado para um ficheiro';
$wb['btn_cancel_txt'] = 'Voltar';
?>