Disable V1 auth support in remoting client and Me2Me host.

remoting/protocol/me2me_host_authenticator_factory.cc

Index: remoting/protocol/me2me_host_authenticator_factory.cc
diff --git a/remoting/protocol/me2me_host_authenticator_factory.cc b/remoting/protocol/me2me_host_authenticator_factory.cc
index ba46c4de20e1b4fe75b31acb598bf9b0f0d0f525..c8a1efba607a334660bf33a92f568ebf4d421db2 100644
--- a/remoting/protocol/me2me_host_authenticator_factory.cc
+++ b/remoting/protocol/me2me_host_authenticator_factory.cc
@@ -90,16 +90,6 @@ scoped_ptr<Authenticator> Me2MeHostAuthenticatorFactory::CreateAuthenticator(
     return scoped_ptr<Authenticator>(new RejectingAuthenticator());
   }
 
-  if (shared_secret_hash_.hash_function == AuthenticationMethod::NONE &&
-      shared_secret_hash_.value.empty()) {
-    // PIN isn't set. Enable V1 authentication.
-    if (!NegotiatingAuthenticator::IsNegotiableMessage(first_message)) {
-      return scoped_ptr<Authenticator>(
-          new V1HostAuthenticator(local_cert_, *local_private_key_,
-                                  "", remote_jid));
-    }
-  }
-
   return NegotiatingAuthenticator::CreateForHost(
       local_cert_, *local_private_key_, shared_secret_hash_.value,
       shared_secret_hash_.hash_function);