gfe-relnote: Deprecate gfe2_reloadable_flag_quic_skip_packet_number_for_pto.

PiperOrigin-RevId: 289553829
Change-Id: I2dbe27bed70072266510883b93a35c31691a70c8
diff --git a/quic/core/quic_connection_test.cc b/quic/core/quic_connection_test.cc
index 6938427..8d25157 100644
--- a/quic/core/quic_connection_test.cc
+++ b/quic/core/quic_connection_test.cc
@@ -9603,7 +9603,6 @@
 }
 
 TEST_P(QuicConnectionTest, PtoSkipsPacketNumber) {
-  SetQuicReloadableFlag(quic_skip_packet_number_for_pto, true);
   QuicConfig config;
   QuicTagVector connection_options;
   connection_options.push_back(k1PTO);
diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index 72ca436..81bbbec 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -156,9 +156,7 @@
     max_probe_packets_per_pto_ = 1;
   }
 
-  if (GetQuicReloadableFlag(quic_skip_packet_number_for_pto) &&
-      config.HasClientSentConnectionOption(kPTOS, perspective)) {
-    QUIC_RELOADABLE_FLAG_COUNT(quic_skip_packet_number_for_pto);
+  if (config.HasClientSentConnectionOption(kPTOS, perspective)) {
     if (!pto_enabled_) {
       QUIC_PEER_BUG
           << "PTO is not enabled when receiving PTOS connection option.";