Remove ledger code from Chrome

chrome/common/extensions/api/_permission_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.
 
 // This features file defines permissions for extension APIs implemented
 // under src/chrome.
 // See extensions/common/features/* to understand this file, in particular
 // feature.h, simple_feature.h, and base_feature_provider.h.
 
 // To add a new whitelisted ID, SHA-1 it and force it to uppercase. In Bash:
@@ skipping 589 matching lines @@
       "3010EF507AFEF487EEA9CDE2930EC94867C60936",  // Citrix Receiver Beta
       "ABAABC5F49E022A76CBB12972A53B58354C04AC6",  // Citrix Receiver Dev
       "0EA6B717932AD64C469C1CCB6911457733295907",  // HTerm
       "58B0C2968C335964D5433E89CA4D86628A0E3D4B"   // HTerm dev
     ]
   },{
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
     "location": "component"
   }],
-  "ledger": {
-    "channel": "trunk",
-    "extension_types": ["extension", "platform_app"],
-    "platforms": ["chromeos"],
-    "whitelist": [
-      "AFA728615D3A82D4017BDECEE86978543194D198",  // http://crbug.com/387999
-      "0C0426C12F94156F330FFAF346A976BA8878DE78",  // http://crbug.com/387999
-      "1C93BD3CF875F4A73C0B2A163BB8FBDA8B8B3D80",  // http://crbug.com/389230
-      "A3BC37E2148AC4E99BE4B16AF9D42DD1E592BBBE",  // http://crbug.com/389230
-      "E703483CEF33DEC18B4B6DD84B5C776FB9182BDB",  // http://crbug.com/389230
-      "307E96539209F95A1A8740C713E6998A73657D96",  // http://crbug.com/389230
-      "4F25792AF1AA7483936DE29C07806F203C7170A0",  // http://crbug.com/407693
-      "BD8781D757D830FC2E85470A1B6E8A718B7EE0D9",  // http://crbug.com/407693
-      "4AC2B6C63C6480D150DFDA13E4A5956EB1D0DDBB",  // http://crbug.com/407693
-      "81986D4F846CEDDDB962643FA501D1780DD441BB"   // http://crbug.com/407693
-    ]
-  },
   "location": [
     {
       "channel": "dev",
       "extension_types": [
         "extension", "legacy_packaged_app", "platform_app"
       ]
     },
     {
       "channel": "stable",
       "extension_types": [
@@ skipping 533 matching lines @@
     // Only allowed for whitelisted extensions until all the caveats are
     // addressed. Tracked in crbug/285151.
     "channel": "stable",
     "extension_types": ["extension"],
     "location": "component",
     "whitelist": [
       "D519188F86D9ACCEE0412007B227D9936EB9676B"  // GAIA Component Extension
     ]
   }]
 }