False deprecate gfe2_reloadable_flag_quic_donot_reset_ideal_next_packet_send_time.

PiperOrigin-RevId: 476893509

quiche/quic/core/congestion_control/pacing_sender.cc

diff --git a/quiche/quic/core/congestion_control/pacing_sender.cc b/quiche/quic/core/congestion_control/pacing_sender.cc
index e9e8643..1978158 100644
--- a/quiche/quic/core/congestion_control/pacing_sender.cc
+++ b/quiche/quic/core/congestion_control/pacing_sender.cc
@@ -26,11 +26,7 @@
       initial_burst_size_(kInitialUnpacedBurst),
       lumpy_tokens_(0),
       alarm_granularity_(kAlarmGranularity),
-      pacing_limited_(false) {
-  if (GetQuicReloadableFlag(quic_donot_reset_ideal_next_packet_send_time)) {
-    QUIC_RELOADABLE_FLAG_COUNT(quic_donot_reset_ideal_next_packet_send_time);
-  }
-}
+      pacing_limited_(false) {}
 
 PacingSender::~PacingSender() {}
 
@@ -74,9 +70,7 @@
   }
   if (burst_tokens_ > 0) {
     --burst_tokens_;
-    if (!GetQuicReloadableFlag(quic_donot_reset_ideal_next_packet_send_time)) {
-      ideal_next_packet_send_time_ = QuicTime::Zero();
-    }
+    ideal_next_packet_send_time_ = QuicTime::Zero();
     pacing_limited_ = false;
     return;
   }

quiche/quic/core/quic_flags_list.h

diff --git a/quiche/quic/core/quic_flags_list.h b/quiche/quic/core/quic_flags_list.h
index 615ccf4..a0424b8 100644
--- a/quiche/quic/core/quic_flags_list.h
+++ b/quiche/quic/core/quic_flags_list.h
@@ -75,8 +75,6 @@
 QUIC_FLAG(quic_restart_flag_quic_enable_sending_bandwidth_estimate_when_network_idle_v2, true)
 // If true, set burst token to 2 in cwnd bootstrapping experiment.
 QUIC_FLAG(quic_reloadable_flag_quic_conservative_bursts, false)
-// If true, stop resetting ideal_next_packet_send_time_ in pacing sender.
-QUIC_FLAG(quic_reloadable_flag_quic_donot_reset_ideal_next_packet_send_time, false)
 // If true, use BBRv2 as the default congestion controller. Takes precedence over --quic_default_to_bbr.
 QUIC_FLAG(quic_reloadable_flag_quic_default_to_bbr_v2, false)
 // If true, use PING manager to manage the PING alarm.