Remove free shipping initialize

Remove initialization of free shipping options.

if(class_exists('\Wdr\App\Router')){
    remove_filter('woocommerce_order_formatted_line_subtotal', array(\Wdr\App\Router::$manage_discount, 'orderSubTotalDiscountDetails'),1000);
    remove_action('woocommerce_after_order_itemmeta', array(\Wdr\App\Router::$manage_discount, 'orderItemMetaDiscountDetails'),1000);
    remove_action('woocommerce_get_formatted_order_total', array(\Wdr\App\Router::$manage_discount, 'displayTotalSavingsInOrderAfterOrderTotal'), 10);
    remove_action('woocommerce_admin_order_totals_after_total', array(\Wdr\App\Router::$manage_discount, 'displayTotalSavingsThroughDiscountInOrder'), 10);
}