MAGETWO-44274: SQL error appears if Save & Duplicate product with images

Author: Igor Miniailo

app/code/Magento/Catalog/Model/ResourceModel/Product/Attribute/Backend/Media.php

@@ -333,8 +333,6 @@ public function duplicate($attributeId, $newFiles, $originalProductId, $newProdu
         );
 
         foreach ($this->getConnection()->fetchAll($select) as $row) {
-            unset($row['record_id']);
-            $row['entity_id'] = $newProductId;
             $row['value_id'] = $valueIdMap[$row['value_id']];
             unset($row['record_id']);
             $this->insertGalleryValueInStore($row);