MAGETWO-69156: Remove unused plugin #9625

Author: ishakhsuvarov

app/etc/di.xml

@@ -1228,9 +1228,6 @@
             </argument>
         </arguments>
     </type>
-    <type name="Magento\Framework\Model\ResourceModel\Db\AbstractDb">
-        <plugin name="clean_cache" type="Magento\Framework\App\Cache\FlushCacheByTags" />
-    </type>
     <type name="Magento\Framework\EntityManager\CompositeMapper">
         <arguments>
             <argument name="mappers" xsi:type="array">