Remove ledger code from Chrome

chrome/common/extensions/api/_permission_features.json

Index: chrome/common/extensions/api/_permission_features.json
diff --git a/chrome/common/extensions/api/_permission_features.json b/chrome/common/extensions/api/_permission_features.json
index 3749464a9216ad520a6c50dab15545429a065acf..4f5bf00ad22edf90c5ff2946eb66497caaf5f404 100644
--- a/chrome/common/extensions/api/_permission_features.json
+++ b/chrome/common/extensions/api/_permission_features.json
@@ -607,23 +607,6 @@
     "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",