refactor: code style -> commenting

src/QUI/ERP/Discount/Discount.php

@@ -10,7 +10,6 @@
 use QUI\Users\User;
 use QUI\Permissions\Permission;
 use QUI\Utils\Security\Orthos;
-use QUI\ERP\Products\Utils\Calc;
 
 use QUI\ERP\Areas\Utils as AreaUtils;
 
@@ -394,6 +393,7 @@ public function canUsedWith(QUI\ERP\Products\Interfaces\ProductInterface $Produc
             $productCategories = $Product->getCategories();
 
             foreach ($productCategories as $Category) {
+                /* @var $Category QUI\ERP\Products\Category\Category */
                 if ((int)$Category->getId() === (int)$category) {
                     return true;
                 }