fix: [stock] work_orders에도 deleted_by 컬럼 없는 오류 수정

app/Services/OrderService.php

@@ -651,8 +651,6 @@ private function cleanupStockWorkOrders(Order $order, int $userId): void
             $wo->items()->delete();
 
             // 작업지시 soft delete
-            $wo->deleted_by = $userId;
-            $wo->save();
             $wo->delete();
         }