Remove changelog entry for the released fix (opensearch-project#13598)

Signed-off-by: Sagar Upadhyaya <upasagar@amazon.com>
Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>
Co-authored-by: Sagar Upadhyaya <upasagar@amazon.com>

Author: sgup432

CHANGELOG.md

@@ -42,7 +42,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Remove handling of index.mapper.dynamic in AutoCreateIndex([#13067](https://github.com/opensearch-project/OpenSearch/pull/13067))
 
 ### Fixed
-- Fix negative RequestStats metric issue ([#13553](https://github.com/opensearch-project/OpenSearch/pull/13553))
 - Fix get field mapping API returns 404 error in mixed cluster with multiple versions ([#13624](https://github.com/opensearch-project/OpenSearch/pull/13624))
 - Allow clearing `remote_store.compatibility_mode` setting ([#13646](https://github.com/opensearch-project/OpenSearch/pull/13646))
 - Fix ReplicaShardBatchAllocator to batch shards without duplicates ([#13710](https://github.com/opensearch-project/OpenSearch/pull/13710))

release-notes/opensearch.release-notes-2.14.0.md

@@ -84,4 +84,5 @@
 - Improve the error messages for _stats with closed indices ([#13012](https://github.com/opensearch-project/OpenSearch/pull/13012))
 - Ignore BaseRestHandler unconsumed content check as it's always consumed. ([#13290](https://github.com/opensearch-project/OpenSearch/pull/13290))
 - Fix mapper_parsing_exception when using flat_object fields with names longer than 11 characters ([#13259](https://github.com/opensearch-project/OpenSearch/pull/13259))
-- DATETIME_FORMATTER_CACHING_SETTING experimental feature should not default to 'true' ([#13532](https://github.com/opensearch-project/OpenSearch/pull/13532))
+- DATETIME_FORMATTER_CACHING_SETTING experimental feature should not default to 'true' ([#13532](https://github.com/opensearch-project/OpenSearch/pull/13532))
+- Fix negative RequestStats metric issue ([#13553](https://github.com/opensearch-project/OpenSearch/pull/13553))