Fixed typo in 3.1 release note file (#18553)

* typo in release note file

Signed-off-by: Sandesh Kumar <sandeshkr419@gmail.com>

* fix release notes

Signed-off-by: Sandesh Kumar <sandeshkr419@gmail.com>

---------

Signed-off-by: Sandesh Kumar <sandeshkr419@gmail.com>

Author: sandeshkr419

release-notes/opensearch-release-notes-3.1.0.md renamed to release-notes/opensearch.release-notes-3.1.0.md

@@ -17,8 +17,7 @@
 - Add composite directory factory ([#17988](https://github.com/opensearch-project/OpenSearch/pull/17988))
 - [Rule based auto-tagging] Add refresh based synchronization service for `Rule`s ([#18128](https://github.com/opensearch-project/OpenSearch/pull/18128))
 - Add pull-based ingestion error metrics and make internal queue size configurable ([#18088](https://github.com/opensearch-project/OpenSearch/pull/18088))
-- [Derive Source] Adding support for derive source feature and implementing it for various type of field mappers ([#17759](https://github.com/opensearch-project/OpenSearch/pull/17759))
-- [Derive Source] Adding integration of derived source feature across diff paths ([#18054](https://github.com/opensearch-project/OpenSearch/pull/18054))
+- Adding support for derive source feature and implementing it for various type of field mappers ([#17759](https://github.com/opensearch-project/OpenSearch/pull/17759))
 - [Security Manager Replacement] Enhance Java Agent to intercept newByteChannel ([#17989](https://github.com/opensearch-project/OpenSearch/pull/17989))
 - Enabled Async Shard Batch Fetch by default ([#18139](https://github.com/opensearch-project/OpenSearch/pull/18139))
 - Allow to get the search request from the QueryCoordinatorContext ([#17818](https://github.com/opensearch-project/OpenSearch/pull/17818))