Fix: remove escapeHtml completely

content/install-user-css.js

@@ -1,4 +1,4 @@
-/* global semverCompare escapeHtml */
+/* global semverCompare */
 
 'use strict';
 

edit/lint.js

@@ -1,7 +1,6 @@
 /* global CodeMirror messageBox */
 /* global editors makeSectionVisible showCodeMirrorPopup showHelp */
 /* global onDOMscripted injectCSS require CSSLint stylelint */
-/* global escapeHtml */
 'use strict';
 
 loadLinterAssets();

js/dom.js

@@ -272,14 +272,3 @@ function $element(opt) {
   }
   return element;
 }
-
-
-function escapeHtml(html, {limit} = {}) {
-  const chars = {'&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;', '/': '&#x2F;'};
-  let ellipsis = '';
-  if (limit && html.length > limit) {
-    html = html.substr(0, limit);
-    ellipsis = '...';
-  }
-  return html.replace(/[&<>"'/]/g, char => chars[char]) + ellipsis;
-}