Remove ClientLogin support from remoting host

remoting/host/host_config_constants.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/host/host_config.h"
 
 namespace remoting {
 
 // These constants are broken out of host_config.cc to allow them to be pulled
 // in by the Mac prefpane implementation without introducing unused dependencies
 // on class from src/base.
 const char kHostEnabledConfigPath[] = "enabled";
 const char kHostOwnerConfigPath[] = "host_owner";
 const char kHostOwnerEmailConfigPath[] = "host_owner_email";
 const char kXmppLoginConfigPath[] = "xmpp_login";
-const char kXmppAuthTokenConfigPath[] = "xmpp_auth_token";
 const char kOAuthRefreshTokenConfigPath[] = "oauth_refresh_token";
-const char kXmppAuthServiceConfigPath[] = "xmpp_auth_service";
 const char kHostIdConfigPath[] = "host_id";
 const char kHostNameConfigPath[] = "host_name";
 const char kHostSecretHashConfigPath[] = "host_secret_hash";
 const char kPrivateKeyConfigPath[] = "private_key";
 const char kUsageStatsConsentConfigPath[] = "usage_stats_consent";
 const char kEnableVp9ConfigPath[] = "enable_vp9";
 const char kFrameRecorderBufferKbConfigPath[] = "frame-recorder-buffer-kb";
 
 }  // namespace remoting