Deprecate FLAGS_quic_sslr_byte_conservation.

net/quic/quic_flags.cc

Index: net/quic/quic_flags.cc
diff --git a/net/quic/quic_flags.cc b/net/quic/quic_flags.cc
index b60ff0f7afc9207adf0ae9d7f8ef2e98a0487c16..a4a39dcf3d7da8a7a3e8ee67478fa6b0b13c39b2 100644
--- a/net/quic/quic_flags.cc
+++ b/net/quic/quic_flags.cc
@@ -107,10 +107,6 @@ bool FLAGS_quic_use_cached_compressed_certs = true;
 // consecutive RTOs are sent.
 bool FLAGS_quic_enable_rto_timeout = true;
 
-// Use a byte conservation approach instead of packet conservation in the
-// Slow Start Large Reduction experiment.
-bool FLAGS_quic_sslr_byte_conservation = true;
-
 // Try to use the socket timestamp to determine the time a packet was
 // received instead of Now().
 bool FLAGS_quic_use_socket_timestamp = true;