Upgrade symfony from 7 to 8. Remove cache since it is now faster to open website.

src/Controller/DiscontinuedController.php

@@ -13,9 +13,6 @@ final class DiscontinuedController extends BaseController
     #[Route('/discontinued', name: 'app_discontinued')]
     public function __invoke(): Response
     {
-        if($this->cache->getItem('list_discontinued')->isHit()) {
-            return $this->render('productList.html.twig', ['listType' => 'discontinued']);
-        }
 
         $products = Product::where('lastSeen', '<', now()->format('Y-m-d'))
             ->orderByDesc('starred')