Remove duplicate strikeout

Eliminate redundant strike-through pricing.

add_filter('woocommerce_get_price_html', function ($price_html) {
    if (class_exists('\Wdr\App\Router') && method_exists(\Wdr\App\Router::$manage_discount, 'removeDuplicateStrikeoutPrice')) {
        return \Wdr\App\Router::$manage_discount->removeDuplicateStrikeoutPrice($price_html);
    }
    return $price_html;
}, 1000);