Revert of MD Settings: Adding some unit tests for <settings-main>.

chrome/test/data/webui/settings/cr_settings_browsertest.js

Index: chrome/test/data/webui/settings/cr_settings_browsertest.js
diff --git a/chrome/test/data/webui/settings/cr_settings_browsertest.js b/chrome/test/data/webui/settings/cr_settings_browsertest.js
index 8378efe5fc02a1680ff5b4834f7bc69621b92882..c205465b39ff0a2b6ddad58f15faa1b5a4cfd860 100644
--- a/chrome/test/data/webui/settings/cr_settings_browsertest.js
+++ b/chrome/test/data/webui/settings/cr_settings_browsertest.js
@@ -682,27 +682,3 @@
   });
   mocha.run();
 });
-
-/**
- * Test fixture for chrome/browser/resources/settings/settings_main/.
- * @constructor
- * @extends {CrSettingsBrowserTest}
-*/
-function CrSettingsMainPageTest() {}
-
-CrSettingsMainPageTest.prototype = {
-  __proto__: CrSettingsBrowserTest.prototype,
-
-  /** @override */
-  browsePreload: 'chrome://md-settings/settings_main/settings_main.html',
-
-  /** @override */
-  extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
-    'settings_main_test.js',
-  ]),
-};
-
-TEST_F('CrSettingsMainPageTest', 'All', function() {
-  settings_main_page.registerTests();
-  mocha.run();
-});