Remove unused argument in apply_handle_commit_internal().

Oversight in commit 0926e96c49.

Author: Masahiko Sawada
Reviewed-By: Amit Kapila
Backpatch-through: 14, where it was introduced
Discussion: https://postgr.es/m/CAD21AoDeScrsHhLyEPYqN3sydg6PxAPVBboK=30xJfUVihNZDA@mail.gmail.com

src/backend/replication/logical/worker.c

@@ -309,8 +309,7 @@ static void maybe_reread_subscription(void);
 /* prototype needed because of stream_commit */
 static void apply_dispatch(StringInfo s);
 
-static void apply_handle_commit_internal(StringInfo s,
-										 LogicalRepCommitData *commit_data);
+static void apply_handle_commit_internal(LogicalRepCommitData *commit_data);
 static void apply_handle_insert_internal(ApplyExecutionData *edata,
 										 ResultRelInfo *relinfo,
 										 TupleTableSlot *remoteslot);
@@ -855,7 +854,7 @@ apply_handle_commit(StringInfo s)
 								 LSN_FORMAT_ARGS(commit_data.commit_lsn),
 								 LSN_FORMAT_ARGS(remote_final_lsn))));
 
-	apply_handle_commit_internal(s, &commit_data);
+	apply_handle_commit_internal(&commit_data);
 
 	/* Process any tables that are being synchronized in parallel. */
 	process_syncing_tables(commit_data.end_lsn);
@@ -1415,7 +1414,7 @@ apply_handle_stream_commit(StringInfo s)
 
 	apply_spooled_messages(xid, commit_data.commit_lsn);
 
-	apply_handle_commit_internal(s, &commit_data);
+	apply_handle_commit_internal(&commit_data);
 
 	/* unlink the files with serialized changes and subxact info */
 	stream_cleanup_files(MyLogicalRepWorker->subid, xid);
@@ -1430,7 +1429,7 @@ apply_handle_stream_commit(StringInfo s)
  * Helper function for apply_handle_commit and apply_handle_stream_commit.
  */
 static void
-apply_handle_commit_internal(StringInfo s, LogicalRepCommitData *commit_data)
+apply_handle_commit_internal(LogicalRepCommitData *commit_data)
 {
 	if (IsTransactionState())
 	{