MD Settings: Eliminate SettingsSubpageBrowsertest.

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

Index: chrome/test/data/webui/settings/easy_unlock_browsertest_chromeos.js
diff --git a/chrome/test/data/webui/settings/easy_unlock_browsertest_chromeos.js b/chrome/test/data/webui/settings/easy_unlock_browsertest_chromeos.js
index 5e31e69fc440f99d22031af68d1f7bc860e547fe..b95b73dc2ffa8ceac0999921ffcc08b6dfada64f 100644
--- a/chrome/test/data/webui/settings/easy_unlock_browsertest_chromeos.js
+++ b/chrome/test/data/webui/settings/easy_unlock_browsertest_chromeos.js
@@ -20,12 +20,6 @@ SettingsEasyUnlockBrowserTest.prototype = {
   extraLibraries: PolymerTest.getLibraries(ROOT_PATH).concat([
     'test_browser_proxy.js',
   ]),
-
-  /** @override */
-  preLoad: function() {
-    SettingsPageBrowserTest.prototype.preLoad.call(this);
-    settingsHidePagesByDefaultForTest = true;
-  },
 };
 
 // Times out on debug builders and may time out on memory bots because