Remove V1 authenticators.

remoting/client/chromoting_client.cc

Index: remoting/client/chromoting_client.cc
diff --git a/remoting/client/chromoting_client.cc b/remoting/client/chromoting_client.cc
index 4dabdd2cf30fd663e12e7901b9a1c04a7d1365f3..9edb480a61d07bfaad26c0568e885dd670d6192f 100644
--- a/remoting/client/chromoting_client.cc
+++ b/remoting/client/chromoting_client.cc
@@ -11,7 +11,6 @@
 #include "remoting/protocol/authentication_method.h"
 #include "remoting/protocol/connection_to_host.h"
 #include "remoting/protocol/negotiating_authenticator.h"
-#include "remoting/protocol/v1_authenticator.h"
 #include "remoting/protocol/session_config.h"
 #include "remoting/protocol/transport.h"
 
@@ -53,14 +52,9 @@ void ChromotingClient::Start(
   DCHECK(message_loop()->BelongsToCurrentThread());
 
   scoped_ptr<protocol::Authenticator> authenticator;
-  if (config_.use_v1_authenticator) {
-    authenticator.reset(new protocol::V1ClientAuthenticator(
-        config_.local_jid, config_.shared_secret));
-  } else {
-    authenticator = protocol::NegotiatingAuthenticator::CreateForClient(
-        config_.authentication_tag,
-        config_.shared_secret, config_.authentication_methods);
-  }
+  authenticator = protocol::NegotiatingAuthenticator::CreateForClient(
+      config_.authentication_tag,
+      config_.shared_secret, config_.authentication_methods);
 
   connection_->Connect(xmpp_proxy, config_.local_jid, config_.host_jid,
                        config_.host_public_key, transport_factory.Pass(),