message: fix: remove println in spu
diff: @@ -79,7 +79,7 @@ impl FluvioService for PublicService {
  match event {
  Some(Ok(req_message)) => {
  debug!(%req_message,"received");
  - println!("req: {:#?}", req_message);
  + // println!("req: {:#?}", req_message);
  trace!(
  "conn: {}, received request: {:#?}",
  shared_sink.id(),
  