options: Remove a bunch of useless:

chrome/browser/resources/options/hotword_confirm_dialog.js

Index: chrome/browser/resources/options/hotword_confirm_dialog.js
diff --git a/chrome/browser/resources/options/hotword_confirm_dialog.js b/chrome/browser/resources/options/hotword_confirm_dialog.js
index c32b77287edd8947815fa48a424c669b1e82e815..dc5520d07cb21906516d6bd36017e6640dd5ab76 100644
--- a/chrome/browser/resources/options/hotword_confirm_dialog.js
+++ b/chrome/browser/resources/options/hotword_confirm_dialog.js
@@ -31,7 +31,9 @@ cr.define('options', function() {
   }
 
   HotwordConfirmDialog.prototype = {
-    // Set up the prototype chain
+    // TODO(dbeam): this class should probably derive SettingsDialog again as it
+    // evily duplicates much of ConfirmDialog's functionality, calls methods
+    // on SettingsDialog.prototype, and shadows private method names.
     __proto__: ConfirmDialog.prototype,
 
     /**
@@ -61,7 +63,8 @@ cr.define('options', function() {
     /**
      * Override the initializePage function so that an updated version of
      * onPrefChanged_ can be used.
-     * @override */
+     * @override
+     */
     initializePage: function() {
       SettingsDialog.prototype.initializePage.call(this);