Removed unused dependencys

- Magento\Sales\Model\ResourceModel\Order as Resource;
-Magento\Framework\Api\SortOrder;

Author: Ivan Krsnik

app/code/Magento/Sales/Model/OrderRepository.php

@@ -6,7 +6,6 @@
 namespace Magento\Sales\Model;
 
 use Magento\Framework\Api\SearchCriteria\CollectionProcessorInterface;
-use Magento\Sales\Model\ResourceModel\Order as Resource;
 use Magento\Sales\Model\ResourceModel\Metadata;
 use Magento\Sales\Model\Order\ShippingAssignmentBuilder;
 use Magento\Sales\Api\Data\OrderSearchResultInterfaceFactory as SearchResultFactory;
@@ -16,7 +15,6 @@
 use Magento\Sales\Api\Data\ShippingAssignmentInterface;
 use Magento\Framework\Exception\NoSuchEntityException;
 use Magento\Framework\Exception\InputException;
-use Magento\Framework\Api\SortOrder;
 
 /**
  * Repository class for @see OrderInterface