MAGETWO-59074: Creditmemo return to stock only one unit of configurable product

Author: Mulderua

app/code/Magento/SalesInventory/Model/Order/ReturnProcessor.php

@@ -6,9 +6,7 @@
 namespace Magento\SalesInventory\Model\Order;
 
 use Magento\Sales\Api\Data\CreditmemoInterface;
-use Magento\Sales\Api\Data\CreditmemoItemInterface;
 use Magento\Sales\Api\Data\OrderInterface;
-use Magento\SalesInventory\Model\Order\Creditmemo\QtyValuePool;
 
 /**
  * Class ReturnProcessor

app/code/Magento/SalesInventory/Test/Unit/Model/Order/ReturnProcessorTest.php

@@ -5,16 +5,13 @@
  */
 namespace Magento\SalesInventory\Test\Unit\Model\Order;
 
-use Magento\CatalogInventory\Api\StockConfigurationInterface;
 use Magento\CatalogInventory\Api\StockManagementInterface;
-use Magento\Sales\Api\CreditmemoRepositoryInterface;
 use Magento\Sales\Api\Data\CreditmemoInterface;
 use Magento\Sales\Api\Data\CreditmemoItemInterface;
 use Magento\Sales\Api\Data\OrderInterface;
 use Magento\Sales\Api\Data\OrderItemInterface;
 use Magento\Sales\Api\OrderItemRepositoryInterface;
 use Magento\Sales\Api\OrderRepositoryInterface;
-use Magento\SalesInventory\Model\Order\Creditmemo\QtyValuePool;
 use Magento\Store\Api\Data\StoreInterface;
 use Magento\Store\Model\StoreManagerInterface;
 use Magento\SalesInventory\Model\Order\ReturnProcessor;