remove invalid code

@@ -65,7 +65,6 @@ public class ProductSizesLogicService {
 		List<Storage> effectiveStorageList = new ArrayList<Storage>();
 		for (Storage storage : oldStorageList) {
 			Integer productId = storage.getProductId();
-			Integer sizeId = storage.getGoodsDimensionId();
 			// 处理未下架的sku
 			if (!VALID_STATUS.equals(storage.getStatus())) {
 				continue;