MINOR: Remove the unused parameter from FetchSession update method (#19414)

Reviewers: PoAn Yang <[email protected]>, Ken Huang
 <[email protected]>, Jhen-Yung Hsu <[email protected]>, Chia-Ping
 Tsai <[email protected]>

Author: shmily7829

core/src/main/scala/kafka/server/FetchSession.scala

@@ -270,8 +270,7 @@ class FetchSession(val id: Int,
 
   // Update the cached partition data based on the request.
   def update(fetchData: FetchSession.REQ_MAP,
-             toForget: util.List[TopicIdPartition],
-             reqMetadata: JFetchMetadata): (TL, TL, TL) = synchronized {
+             toForget: util.List[TopicIdPartition]): (TL, TL, TL) = synchronized {
     val added = new TL
     val updated = new TL
     val removed = new TL
@@ -880,7 +879,7 @@ class FetchManager(private val time: Time,
                 s", but request version $reqVersion means that we can not.")
               new SessionErrorContext(Errors.FETCH_SESSION_TOPIC_ID_ERROR, reqMetadata)
             } else {
-              val (added, updated, removed) = session.update(fetchData, toForget, reqMetadata)
+              val (added, updated, removed) = session.update(fetchData, toForget)
               if (session.isEmpty) {
                 debug(s"Created a new sessionless FetchContext and closing session id ${session.id}, " +
                   s"epoch ${session.epoch}: after removing ${partitionsToLogString(removed)}, " +