Remove deprecated flag --quic_neuter_unencrypted_when_sending

net/quic/core/quic_flags_list.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file intentionally does not have header guards, it's included
 // inside a macro to generate values.
 
 // This file contains the list of QUIC protocol flags.
 
 // If true, it will return as soon as an error is detected while validating
@@ skipping 77 matching lines @@
 
 // If true, re-enables QUIC_VERSION_36.
 QUIC_FLAG(bool, FLAGS_quic_enable_version_36, true)
 
 // If true, enables QUIC_VERSION_36.
 QUIC_FLAG(bool, FLAGS_quic_enable_version_36_v2, false)
 
 // If true, use async codepaths to invoke ProofSource::GetProof.
 QUIC_FLAG(bool, FLAGS_enable_async_get_proof, false)
 
-// If true, neuter null encrypted packets before sending the next handshake
-// message.
-QUIC_FLAG(bool, FLAGS_quic_neuter_unencrypted_when_sending, true)
-
 // If true, QuicAlarm::Update will call a faster UpdateImpl implementation
 // instead of canceling and reregistering the alarm.
 QUIC_FLAG(bool, FLAGS_quic_change_alarms_efficiently, true)
 
 // If true, requires handshake confirmations for all QUIC handshakes with
 // versions less than 33.
 QUIC_FLAG(bool, FLAGS_quic_require_handshake_confirmation_pre33, false)
 
 // If true, fix a bug with which QuicStreamSequencerBuffer can\'t release block
 // memory in time.
@@ skipping 49 matching lines @@
 // message too long (EMSGSIZE) write error.
 QUIC_FLAG(bool, FLAGS_quic_do_not_send_ack_on_emsgsize, true)
 
 // If true, postpone multipath flag validation to ProcessValidatedPacket.
 QUIC_FLAG(bool, FLAGS_quic_postpone_multipath_flag_validation, true)
 
 // If true, set a QUIC connection's last_sent_for_timeout_ to the send time of
 // the first packet sent after receiving a packet, even if the sent packet is
 // a retransmission
 QUIC_FLAG(bool, FLAGS_quic_better_last_send_for_timeout, true)