added missing language string already present in default theme

cfoe

2012-05-22 0ae667e6cfdd1bcc85bacf85cd93a84f99fa88f8

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

@@ -3,4 +3,3 @@
$wb['name_txt'] = 'Grupo';
$wb['name_err'] = 'O Nome do Grupo deve conter de 1 a 30 caracteres!';
?>