Deprecate FLAG_require_strike_register_or_server_nonce

net/quic/crypto/quic_crypto_server_config.cc

Index: net/quic/crypto/quic_crypto_server_config.cc
diff --git a/net/quic/crypto/quic_crypto_server_config.cc b/net/quic/crypto/quic_crypto_server_config.cc
index 03f53bed912d11e609a26df7d069f30dbe7e2f31..25d344b7cd50465d4d168f209749bcee7f162296 100644
--- a/net/quic/crypto/quic_crypto_server_config.cc
+++ b/net/quic/crypto/quic_crypto_server_config.cc
@@ -1121,18 +1121,6 @@ void QuicCryptoServerConfig::EvaluateClientHello(
   StrikeRegisterClient* strike_register_client;
   {
     base::AutoLock locked(strike_register_client_lock_);
-
-    if (strike_register_client_.get() == nullptr) {
-      if (!FLAGS_require_strike_register_or_server_nonce) {
-        strike_register_client_.reset(new LocalStrikeRegisterClient(
-            strike_register_max_entries_,
-            static_cast<uint32_t>(info->now.ToUNIXSeconds()),
-            strike_register_window_secs_, primary_orbit,
-            strike_register_no_startup_period_
-                ? StrikeRegister::NO_STARTUP_PERIOD_NEEDED
-                : StrikeRegister::DENY_REQUESTS_AT_STARTUP));
-      }
-    }
     strike_register_client = strike_register_client_.get();
   }