ACP2E-3892: [Mainline] Unpopulated pages are cached due to search engine errors

Author: aplapana

app/code/Magento/OpenSearch/SearchAdapter/Adapter.php

@@ -12,7 +12,6 @@
 use Magento\Elasticsearch\SearchAdapter\ConnectionManager;
 use Magento\Elasticsearch\SearchAdapter\QueryContainerFactory;
 use Magento\Elasticsearch\SearchAdapter\ResponseFactory;
-use Magento\Framework\Phrase;
 use Magento\Framework\Search\AdapterInterface;
 use Magento\Framework\Search\Request\EmptyRequestDataException;
 use Magento\Framework\Search\RequestInterface;