remove unnecessary import

apps/app/src/server/service/search-delegator/elasticsearch.ts

@@ -2,7 +2,7 @@ import { Writable, Transform } from 'stream';
 import { URL } from 'url';
 
 import elasticsearch7 from '@elastic/elasticsearch7';
-import elasticsearch8, { Client } from '@elastic/elasticsearch8';
+import elasticsearch8 from '@elastic/elasticsearch8';
 import gc from 'expose-gc/function';
 import mongoose from 'mongoose';
 import streamToPromise from 'stream-to-promise';