Remove app_remoting.

remoting/app_remoting_webapp.gyp

-# 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.
-
-{
-  'includes': [
-    '../remoting/remoting_locales.gypi',
-    '../remoting/app_remoting_webapp_build.gypi',
-  ],
-  'target_defaults': {
-    'variables': {
-      'ar_internal': 0,
-    },
-   'conditions': [
-      ['run_jscompile != 0', {
-        'dependencies': [
-          'app_remoting_webapp_compile.gypi:verify_main.html',
-          'app_remoting_webapp_compile.gypi:verify_background.js',
-          'app_remoting_webapp_compile.gypi:verify_feedback_consent.html',
-        ],
-      'inputs': [
-        # Include zip as input so that this action is run after the build.
-        '<(zip_path)',
-      ],
-      }],
-    ], # conditions
-  },
-  'targets': [
-    {
-      # GN version: //remoting/webapp:ar_sample_app
-      # Sample AppRemoting app.
-      'target_name': 'ar_sample_app',
-      'app_key': 'Sample_App',
-      'app_id': 'ljacajndfccfgnfohlgkdphmbnpkjflk',
-      'app_client_id': 'sample_client_id',
-      'app_name': 'App Remoting Client',
-      'app_description': 'App Remoting client',
-      'app_capabilities': ['GOOGLE_DRIVE', 'CLOUD_PRINT'],
-      'manifest_key': 'remotingdevbuild',
-    },
-  ],  # end of targets
-}