How to remove product categories from breadcrumb on WooCommerce product page

// change the breadcrumb on the product page
add_filter( 'woocommerce_get_breadcrumb', 'custom_breadcrumb', 20, 2 );
function custom_breadcrumb( $crumbs, $breadcrumb ) {

    // only on the single product page
    if ( ! is_product() ) {
        return $crumbs;
    }

    // gets the first element of the array "$crumbs"
    $new_crumbs[] = reset( $crumbs );
    // gets the last element of the array "$crumbs"
    $new_crumbs[] = end( $crumbs );

    return $new_crumbs;

}
// https://stackoverflow.com/questions/66461448/how-to-remove-product-categories-from-breadcrumb-on-woocommerce-product-page