function plt_hide_mobidevices_translate_url_menus() {
//Hide the "Settings → MobiDevices Translate URL" menu.
remove_submenu_page('options-general.php', 'mobidevices-translate-url/mobidevices-translate-url.php');
}
add_action('admin_menu', 'plt_hide_mobidevices_translate_url_menus', 11);