Revert of Fix a bug where if a crypto packet is spuriously retransmitted

net/quic/quic_connection.cc

Index: net/quic/quic_connection.cc
diff --git a/net/quic/quic_connection.cc b/net/quic/quic_connection.cc
index a5985e28d3db66fccbf6fab308aa4da279045ccc..a0371e86326add2bfd90d674112d6e8d80390185 100644
--- a/net/quic/quic_connection.cc
+++ b/net/quic/quic_connection.cc
@@ -1301,8 +1301,8 @@ void QuicConnection::RetransmitUnackedPackets(
   WriteIfNotBlocked();
 }
 
-void QuicConnection::DiscardUnencryptedPackets() {
-  sent_packet_manager_.DiscardUnencryptedPackets();
+void QuicConnection::NeuterUnencryptedPackets() {
+  sent_packet_manager_.NeuterUnencryptedPackets();
   // This may have changed the retransmission timer, so re-arm it.
   retransmission_alarm_->Cancel();
   QuicTime retransmission_time = sent_packet_manager_.GetRetransmissionTime();