Deprecate --gfe2_reloadable_flag_quic_bbr2_no_exit_startup_on_loss_with_bw_growth.

PiperOrigin-RevId: 344813861
Change-Id: Ic6915bb3f84303a1fba3556c274607ac62552844

quic/core/congestion_control/bbr2_sender.cc

diff --git a/quic/core/congestion_control/bbr2_sender.cc b/quic/core/congestion_control/bbr2_sender.cc
index bea4f9d..e0bd610 100644
--- a/quic/core/congestion_control/bbr2_sender.cc
+++ b/quic/core/congestion_control/bbr2_sender.cc
@@ -136,10 +136,7 @@
     params_.startup_cwnd_gain = 2.885;
     params_.drain_cwnd_gain = 2.885;
   }
-  if (GetQuicReloadableFlag(quic_bbr2_no_exit_startup_on_loss_with_bw_growth) &&
-      ContainsQuicTag(connection_options, kB2NE)) {
-    QUIC_RELOADABLE_FLAG_COUNT(
-        quic_bbr2_no_exit_startup_on_loss_with_bw_growth);
+  if (ContainsQuicTag(connection_options, kB2NE)) {
     params_.always_exit_startup_on_excess_loss = false;
   }
   if (GetQuicReloadableFlag(quic_bbr2_startup_loss_exit_use_max_delivered) &&

quic/core/quic_flags_list.h

diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index 5bebbe3..b8ed351 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -12,7 +12,6 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_allow_client_enabled_bbr_v2, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_avoid_too_low_probe_bw_cwnd, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_fewer_startup_round_trips, false)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_no_exit_startup_on_loss_with_bw_growth, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_startup_loss_exit_use_max_delivered, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_support_max_bootstrap_cwnd, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_use_bytes_delivered, false)