Fixing the CHANGELOG.md by removing change published in 2.17 (#15903)

Signed-off-by: Ankit Jain <[email protected]>

Author: jainankitk

CHANGELOG.md

@@ -5,7 +5,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased 2.x]
 ### Added
-- Adding WithFieldName interface for QueryBuilders with fieldName ([#15705](https://github.com/opensearch-project/OpenSearch/pull/15705))
 - MultiTermQueries in keyword fields now default to `indexed` approach and gated behind cluster setting ([#15637](https://github.com/opensearch-project/OpenSearch/pull/15637))
 - [Workload Management] QueryGroup resource cancellation framework changes ([#15651](https://github.com/opensearch-project/OpenSearch/pull/15651))