// ==UserScript==
// @name         Twitter Redact Mutes
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       dk
// @match        ...
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var badDivs = document.querySelectorAll("div div:contains('This tweet includes a word you muted, CASE SENSITIVE')");
    badDivs.remove ();
})();