message: Back out "Don't crash if the we are closed with loss timeout."
  Summary: Crashing is good.
diff: @@ -2107,11 +2107,7 @@ void QuicTransportBase::sendPing(
  }
  void QuicTransportBase::lossTimeoutExpired() noexcept {
  - DCHECK_NE(closeState_, CloseState::CLOSED);
  - // TODO this is a bandaid, but we should bail here.
  - if (closeState_ != CloseState::OPEN) {
  - return;
  - }
  + CHECK_NE(closeState_, CloseState::CLOSED);
  // onLossDetectionAlarm will set packetToSend in pending events
  FOLLY_MAYBE_UNUSED auto self = sharedGuard();
  try {
  