relnote: Deprecate FLAGS_quic_send_fec_packet_only_on_fec_alarm.

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 b4154f0edd89d4a1f233b0bbc6f7113566c020d5..8e1d0e4a183c83474d80db71814bc16ba64dbc6f 100644
--- a/net/quic/quic_flags.cc
+++ b/net/quic/quic_flags.cc
@@ -46,9 +46,6 @@ bool FLAGS_enable_quic_stateless_reject_support = true;
 // If true, flow controller may grow the receive window size if necessary.
 bool FLAGS_quic_auto_tune_receive_window = true;
 
-// Enables sending of FEC packet only when FEC alarm goes off.
-bool FLAGS_quic_send_fec_packet_only_on_fec_alarm = true;
-
 // Enables server-side path MTU discovery in QUIC.
 bool FLAGS_quic_do_path_mtu_discovery = true;