remove debug println

src/pipeline.rs

@@ -446,7 +446,6 @@ impl<S: 'static, H> ProcessResponse<S, H> {
     fn poll(
         &mut self, info: &mut PipelineInfo<S>, mws: &[Box<Middleware<S>>],
     ) -> Option<PipelineState<S, H>> {
-        println!("POLL");
         // connection is dead at this point
         match mem::replace(&mut self.iostate, IOState::Done) {
             IOState::Response =>

src/server/h2.rs

@@ -406,7 +406,6 @@ impl<H: HttpHandler + 'static> Entry<H> {
                 }
                 Ok(Async::NotReady) => break,
                 Err(err) => {
-                    println!("POLL-PAYLOAD error: {:?}", err);
                     self.payload.set_error(PayloadError::Http2(err));
                     break;
                 }