Remove unused "Disable remote Alt-Svc" QUIC experiment code.

components/network_session_configurator/network_session_configurator_unittest.cc

Index: components/network_session_configurator/network_session_configurator_unittest.cc
diff --git a/components/network_session_configurator/network_session_configurator_unittest.cc b/components/network_session_configurator/network_session_configurator_unittest.cc
index 8e5a7d20055d42433385240a9f83f53940c255fd..f7b8048329f951c244202937d6f24ff0e4ff3618 100644
--- a/components/network_session_configurator/network_session_configurator_unittest.cc
+++ b/components/network_session_configurator/network_session_configurator_unittest.cc
@@ -49,7 +49,6 @@ TEST_F(NetworkSessionConfiguratorTest, Defaults) {
   EXPECT_TRUE(params_.enable_http2);
   EXPECT_TRUE(params_.http2_settings.empty());
   EXPECT_FALSE(params_.enable_tcp_fast_open_for_ssl);
-  EXPECT_TRUE(params_.enable_quic_alternative_service_with_different_host);
   EXPECT_FALSE(params_.enable_quic);
 }
 
@@ -76,7 +75,6 @@ TEST_F(NetworkSessionConfiguratorTest, EnableQuicFromFieldTrialGroup) {
   EXPECT_FALSE(params_.enable_server_push_cancellation);
   EXPECT_FALSE(params_.quic_enable_non_blocking_io);
   EXPECT_FALSE(params_.quic_disable_disk_cache);
-  EXPECT_TRUE(params_.enable_quic_alternative_service_with_different_host);
   EXPECT_TRUE(params_.quic_delay_tcp_race);
   EXPECT_FALSE(params_.quic_close_sessions_on_ip_change);
   EXPECT_EQ(net::kIdleConnectionTimeoutSeconds,
@@ -387,18 +385,6 @@ TEST_F(NetworkSessionConfiguratorTest, QuicDisableDiskCache) {
   EXPECT_TRUE(params_.quic_disable_disk_cache);
 }
 
-TEST_F(NetworkSessionConfiguratorTest,
-       QuicEnableAlternativeServicesFromFieldTrialParams) {
-  std::map<std::string, std::string> field_trial_params;
-  field_trial_params["enable_alternative_service_with_different_host"] = "true";
-  variations::AssociateVariationParams("QUIC", "Enabled", field_trial_params);
-  base::FieldTrialList::CreateFieldTrial("QUIC", "Enabled");
-
-  ParseFieldTrials();
-
-  EXPECT_TRUE(params_.enable_quic_alternative_service_with_different_host);
-}
-
 TEST_F(NetworkSessionConfiguratorTest, QuicDisableDelayTcpRace) {
   std::map<std::string, std::string> field_trial_params;
   field_trial_params["disable_delay_tcp_race"] = "true";