MAGETWO-72861: Visual Merchandiser category edit performance issue

Author: Oleksandr Iegorov

app/code/Magento/Catalog/Model/Category/Product/PositionResolver.php

@@ -12,17 +12,6 @@
  */
 class PositionResolver extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
 {
-    /**
-     * @param \Magento\Framework\Model\ResourceModel\Db\Context $context
-     * @param string $connectionName
-     */
-    public function __construct(
-        \Magento\Framework\Model\ResourceModel\Db\Context $context,
-        $connectionName = null
-    ) {
-        parent::__construct($context, $connectionName);
-    }
-
     /**
      * Initialize resource model
      *