Remove some comments

src/brpc/policy/http2_rpc_protocol.cpp

@@ -1563,6 +1563,7 @@ void H2GlobalStreamCreator::ReplaceSocketForStream(
 
 void H2GlobalStreamCreator::OnStreamCreationDone(
     SocketUniquePtr& sending_sock, Controller* cntl) {
+    // TODO(zhujiashun): when server can not be connected, this can happen.
     CHECK(false) << "Never run";
 }
 

src/brpc/policy/http_rpc_protocol.cpp

@@ -468,8 +468,6 @@ void SerializeHttpRequest(butil::IOBuf* /*not used*/,
 
     if (accessor.request_protocol() == PROTOCOL_HTTP2) {
         cntl->set_stream_creator(get_h2_global_stream_creator());
-    } else {
-        LOG(INFO) << "in SerializeHttpRequest, is_http2=0";
     }
 
     // Set url to /ServiceName/MethodName when we're about to call protobuf