update rm deadcode

app/Services/Api/Domain/DomainOrderService.php

@@ -46,8 +46,7 @@ class DomainOrderService
 
         $domainName = $this->normalizeDomain($data['domain_name']);
         $years      = max(1, (int) ($data['years'] ?? 1));
-        $pricing    = $this->findDomainPricing($domainName);
-        $price      = (int) $pricing['firstYear'] * $years;
+        $price      = DomainPricing::findByDomain($domainName)->orderPrice($years);
         $months     = $years * 12;
 
         return DB::transaction(function () use ($customer, $product, $domainName, $price, $months, $years) {
@@ -363,17 +362,6 @@ class DomainOrderService
     // Private helpers
     // =========================================================================
 
-    /**
-     * Find pricing for the given domain using longest-match TLD.
-     * TLDs in settings are stored with a leading dot (e.g. ".com.vn").
-     *
-     * @throws \InvalidArgumentException if no matching TLD found
-     */
-    private function findDomainPricing(string $domain): array
-    {
-        return DomainPricing::findByDomain($domain)->toDomainArray();
-    }
-
     /**
      * Normalize: lowercase, trim, strip protocol and path.
      * "HTTPS://My-Site.COM.VN/path" → "my-site.com.vn"