Deprecate FLAGS_quic_reloadable_flag_quic_remove_packet_number_from_public_reset.

net/quic/core/quic_packets.cc

Index: net/quic/core/quic_packets.cc
diff --git a/net/quic/core/quic_packets.cc b/net/quic/core/quic_packets.cc
index 907516538964ccb2f53034be3227ec890d0c6484..8788fbba62bbdb854151e44b3125d5fd3614c7c9 100644
--- a/net/quic/core/quic_packets.cc
+++ b/net/quic/core/quic_packets.cc
@@ -70,12 +70,11 @@ QuicPacketHeader::QuicPacketHeader(const QuicPacketPublicHeader& header)
 
 QuicPacketHeader::QuicPacketHeader(const QuicPacketHeader& other) = default;
 
-QuicPublicResetPacket::QuicPublicResetPacket()
-    : nonce_proof(0), rejected_packet_number(0) {}
+QuicPublicResetPacket::QuicPublicResetPacket() : nonce_proof(0) {}
 
 QuicPublicResetPacket::QuicPublicResetPacket(
     const QuicPacketPublicHeader& header)
-    : public_header(header), nonce_proof(0), rejected_packet_number(0) {}
+    : public_header(header), nonce_proof(0) {}
 
 std::ostream& operator<<(std::ostream& os, const QuicPacketHeader& header) {
   os << "{ connection_id: " << header.public_header.connection_id