Delete item from existing cart if product out of stock - prestashop 1.7

//Delete product from the cart if product out of stock

   Add in shouldProductsAvailable function which is in cartcontroller.php

    $cart = $this->context->cart;
     $cart_products = $cart->getProducts();
   
    $array_name=array();


foreach($cart_products as $key=>$value)
    {
        $flag=1;

        if( ($value['stock_quantity']<=0 || $value['cart_quantity']<=0) && (!Product::isAvailableWhenOutOfStock($product['out_of_stock'])) )
        {
              $array_name[]=$value['name'];
              $flag=0;

             
            $this->context->cart->deleteProduct($product['id_product'],$product['id_product_attribute'], $product['id_customization'], $product['id_address_delivery']);

        }


    }
    $product_array=implode(" , The item ",$array_name);