Stop using the "LIFO" write scheduler.

It doesn't mean what you think it means.

gfe-relnote: N/A, only affects QBONE
PiperOrigin-RevId: 266244921
Change-Id: I6e7b88a8f502fe32a2b8492d18269559f05ca511

quic/qbone/qbone_session_base.cc

diff --git a/quic/qbone/qbone_session_base.cc b/quic/qbone/qbone_session_base.cc
index 3ab3472..d881975 100644
--- a/quic/qbone/qbone_session_base.cc
+++ b/quic/qbone/qbone_session_base.cc
@@ -34,8 +34,6 @@
   if (VersionHasIetfQuicFrames(transport_version())) {
     ConfigureMaxIncomingDynamicStreamsToSend(max_streams);
   }
-  write_blocked_streams()->SwitchWriteScheduler(
-      spdy::WriteSchedulerType::LIFO, connection->transport_version());
 }
 
 QboneSessionBase::~QboneSessionBase() {