update purchase triger to expense

internal/modules/purchases/services/purchase.service.go

@@ -996,10 +996,8 @@ func (s *purchaseService) DeletePurchase(c *fiber.Ctx, id uint) error {
 		return fiber.NewError(fiber.StatusInternalServerError, "Failed to get purchase")
 	}
 
-	itemIDs := make([]uint, 0, len(purchase.Items))
 	itemsToDelete := make([]entity.PurchaseItem, len(purchase.Items))
 	for i, item := range purchase.Items {
-		itemIDs = append(itemIDs, item.Id)
 		itemsToDelete[i] = item
 	}