Removed references to "Get Started" app from sources.

chrome/common/extensions/api/_manifest_features.json

 // Copyright (c) 2012 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.
 
 // See c/c/e/features/* to understand this file, in particular feature.h,
 // simple_feature.h, and base_feature_provider.h.
 
 {
   "app": {
     "channel": "stable",
@@ skipping 267 matching lines @@
     ]
   },
   "oauth2.auto_approve": {
     "channel": "stable",
     "extension_types": [
       "extension", "platform_app"
     ],
     "whitelist": [
       "mdbihdcgjmagbcapkhhkjbbdlkflmbfo",  // unit_tests
       "pafkbggdmjlpgkdkcbjmhmfcdpncadgh",  // Google Now
-      "hkhhlkdconhgemhegnplaldnmnmkaemd",  // Get Started App
       "nmmhkkegccagdldgiimedpiccmgmieda",  // In-app payments support app.
       "4B1D0E19C6C43C008C44A8278C8B5BFE15ABEB3C",
       "F7FA7ABC1ECB89BA8EE6656847EFABBF43BB9BCA",
       "1A26E32DE447A17CBE5E9750CDBA78F58539B39C",  // TODO(rockot): Kill these.
       "E61F841D8210B6A9891E5384CB665FBED31FCD7B"   // http://crbug.com/281715
     ]
   },
   "offline_enabled": {
     "channel": "stable",
     "extension_types": [
@@ skipping 106 matching lines @@
     "extension_types": [
       "extension", "legacy_packaged_app", "hosted_app"
     ]
   },
   "webview": {
     "channel": "dev",
     "extension_types": ["platform_app"],
     "min_manifest_version": 2
   }
 }