Reverted accidental changes

Signed-off-by: Bandini Bhopi <bandinib@amazon.com>

CHANGELOG.md

@@ -60,7 +60,6 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - [Multiple Datasource] Add interfaces to register add-on authentication method from plug-in module ([#5851](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5851)) 
 - [Multiple Datasource] Able to Hide "Local Cluster" option from datasource DropDown ([#5827](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5827))
 - [Multiple Datasource] Add api registry and allow it to be added into client config in data source plugin ([#5895](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5895))
-- [Multiple Datasource] Concatenate data source name with index pattern name and change delimiter to double colon ([#5907](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5907))
 - [Multiple Datasource] Refactor client and legacy client to use authentication registry ([#5881](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5881))
 
 ### 🐛 Bug Fixes

src/plugins/data_source/server/client/configure_client.ts

@@ -6,7 +6,7 @@
 import { Client, ClientOptions } from '@opensearch-project/opensearch-next';
 import { Client as LegacyClient } from 'elasticsearch';
 import { Credentials } from 'aws-sdk';
-import { AwsSigv4Signer } from '@opensearch-project/opensearch/aws';
+import { AwsSigv4Signer } from '@opensearch-project/opensearch-next/aws';
 import { Logger, OpenSearchDashboardsRequest } from '../../../../../src/core/server';
 import {
   AuthType,