Delete the old SSL interstitial and Finch trial

chrome/browser/resources/ssl/blocking.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.
-
-function toggleMoreBox() {
-  var helpBoxOuter = $('help-box-outer');
-  helpBoxOuter.classList.toggle('hidden');
-  var moreLessButton = $('more-less-button');
-  if (helpBoxOuter.classList.contains('hidden')) {
-    moreLessButton.innerText = templateData.more;
-  } else {
-    moreLessButton.innerText = templateData.less;
-  }
-}
-
-function reloadPage() {
-  sendCommand(CMD_RELOAD);
-}
-
-function setupEvents() {
-  $('reload-button').addEventListener('click', reloadPage);
-  $('more-less-button').addEventListener('click', toggleMoreBox);
-}
-
-document.addEventListener('DOMContentLoaded', setupEvents);