Removing the vec file extension from INDEX_STORE_HYBRID_NIO_EXTENSION…

…S, to ensure the no performance degradation for vector search via Lucene Engine. (#9528)

Signed-off-by: Navneet Verma <navneev@amazon.com>
(cherry picked from commit a4024e7)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -86,6 +86,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Improve performance of encoding composite keys in multi-term aggregations ([#9412](https://github.com/opensearch-project/OpenSearch/pull/9412))
 - Refactor Compressors from CompressorFactory to CompressorRegistry for extensibility ([#9262](https://github.com/opensearch-project/OpenSearch/pull/9262))
 - Fix sort related ITs for concurrent search ([#9177](https://github.com/opensearch-project/OpenSearch/pull/9466)
+- Removing the vec file extension from INDEX_STORE_HYBRID_NIO_EXTENSIONS, to ensure the no performance degradation for vector search via Lucene Engine.([#9528](https://github.com/opensearch-project/OpenSearch/pull/9528)))
 
 ### Deprecated
 

server/src/main/java/org/opensearch/index/IndexModule.java

@@ -222,7 +222,6 @@ public Iterator<Setting<?>> settings() {
             "tvd",
             "liv",
             "dii",
-            "vec",
             "vem"
         ),
         Function.identity(),