Delete the old hotwording integration.

chrome/browser/resources/hotword_helper/manifest.json

Index: chrome/browser/resources/hotword_helper/manifest.json
diff --git a/chrome/browser/resources/hotword_helper/manifest.json b/chrome/browser/resources/hotword_helper/manifest.json
deleted file mode 100644
index 9439be30ef246deacc2fffa823062b37f7913d13..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/hotword_helper/manifest.json
+++ /dev/null
@@ -1,41 +0,0 @@
-{
-  // Extension ID: dnhpdliibojhegemfjheidglijccjfmc
-  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDagiQy1VGkO2CHJSjVh7eU5GtuBuOlg2/cTZt7203AcevqpcDd+65S2/yd9KAELYcU6pK8nHVGYBMI6s0u+0RgXfIJ0eFOlTlgfAQWHvg8ovHtJlFJd1COrOkbntD9+s9Jobr3ldmow87aZF1bVHUY4khVP56cZe6adlVw2wK31QIDAQAB",
-
-  "name": "hotword helper",
-  "version": "0.0.2.0",
-  "manifest_version": 2,
-
-  "background": {
-    "scripts": ["manager.js"],
-    "persistent": false
-  },
-
-  "permissions": [
-    "*://*.google.com/*",
-    "*://*.google.ru/*",
-    "*://*.google.co.uk/*",
-    "*://*.google.fr/*",
-    "*://*.google.de/*",
-    "chrome://newtab/",
-    "hotwordPrivate",
-    "tabs"
-  ],
-
-  "externally_connectable": {
-    "matches": [
-      "*://*.google.com/*",
-      "*://*.google.ru/*",
-      "*://*.google.co.uk/*",
-      "*://*.google.fr/*",
-      "*://*.google.de/*",
-      "chrome://newtab/"
-    ],
-    "ids": [
-      // Test extension.
-      "cpfhkdbjfdgdebcjlifoldbijinjfifp"
-    ]
-  },
-
-  "minimum_chrome_version": "32"
-}