Disable async trim translog task for remote indexes

Signed-off-by: Ashish Singh <ssashish@amazon.com>

Author: ashking94

server/src/main/java/org/opensearch/index/shard/IndexShard.java

@@ -1465,6 +1465,9 @@ public void flush(FlushRequest request) {
      * {@link org.opensearch.index.translog.TranslogDeletionPolicy} for details
      */
     public void trimTranslog() {
+        if (isRemoteTranslogEnabled()) {
+            return;
+        }
         verifyNotClosed();
         final Engine engine = getEngine();
         engine.translogManager().trimUnreferencedTranslogFiles();