Remove tests for deprecated Options UI

chrome/browser/ui/webui/options/chromeos/accounts_options_browsertest.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.
-
-GEN_INCLUDE(['../options_browsertest_base.js']);
-
-function AccountsOptionsWebUITest() {}
-
-AccountsOptionsWebUITest.prototype = {
-  __proto__: OptionsBrowsertestBase.prototype,
-
-  /**
-   * Browse to accounts options.
-   */
-  browsePreload: 'chrome://settings-frame/accounts',
-};
-
-function createEnterKeyboardEvent(type) {
-  return new KeyboardEvent(type, {
-    'bubbles': true,
-    'cancelable': true,
-    'key': 'Enter'
-  });
-}
-
-TEST_F('AccountsOptionsWebUITest', 'testNoCloseOnEnter', function() {
-  assertEquals(this.browsePreload, document.location.href);
-
-  var inputField = $('userNameEdit');
-  var accountsOptionsPage = AccountsOptions.getInstance();
-
-  // Overlay is visible.
-  assertTrue(accountsOptionsPage.visible);
-
-  // Simulate pressing the enter key in the edit field.
-  inputField.dispatchEvent(createEnterKeyboardEvent('keydown'));
-  inputField.dispatchEvent(createEnterKeyboardEvent('keypress'));
-  inputField.dispatchEvent(createEnterKeyboardEvent('keyup'));
-
-  // Verify the overlay is still visible.
-  assertTrue(accountsOptionsPage.visible);
-});