Remove unused command_update keybinding test data

Review URL: https://codereview.chromium.org/293133004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@273013 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/data/extensions/api_test/keybinding/command_update/background.js

-// Copyright 2013 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.
-
-chrome.commands.onCommand.addListener(function(command) {
-  if (command == "command_B") {
-    chrome.test.notifyPass();
-    return;
-  }
-
-  // Everything else is a failure case.
-  chrome.test.notifyFail("Unexpected command received: " + command);
-});
-
-chrome.test.notifyPass();

chrome/test/data/extensions/api_test/keybinding/command_update/manifest.json

-{
-  "name": "An extension to test updating keybinding preferences",
-  "version": "1.0",
-  "manifest_version": 2,
-  "background": {
-    "scripts": ["background.js"]
-  },
-  "commands": {
-    "command_A": {
-      "suggested_key": {
-        "default": "Alt+A"
-      },
-      "description": "Test fails if called (It will be removed during testing)."
-    },
-    "command_B": {
-      "suggested_key": {
-        "default": "Alt+B"
-      },
-      "description": "Will be uptated to 'Alt+A' during testing."
-    },
-    "command_C": {
-      "suggested_key": {
-        "default": "Alt+C"
-      },
-      "description": "Test fails if called (It will be removed during testing)."
-    }
-  }
-}