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

net/quic/quic_connection.h

Index: net/quic/quic_connection.h
diff --git a/net/quic/quic_connection.h b/net/quic/quic_connection.h
index 745cf85f2c73ac529dafb85de8304ff7b4178469..06e4a0db8288db03c4b298dce7f040ea858f806f 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -417,9 +417,9 @@ class NET_EXPORT_PRIVATE QuicConnection
   // initially encrypted packets when the initial encrypter changes.
   void RetransmitUnackedPackets(RetransmissionType retransmission_type);
 
-  // Calls |sent_packet_manager_|'s DiscardUnencryptedPackets. Used when the
+  // Calls |sent_packet_manager_|'s NeuterUnencryptedPackets. Used when the
   // connection becomes forward secure and hasn't received acks for all packets.
-  void DiscardUnencryptedPackets();
+  void NeuterUnencryptedPackets();
 
   // Changes the encrypter used for level |level| to |encrypter|. The function
   // takes ownership of |encrypter|.