remove an unnecessary component

src/client/js/components/TableOfContents.jsx

@@ -7,7 +7,6 @@ import { withTranslation } from 'react-i18next';
 import PageContainer from '../services/PageContainer';
 
 import { withUnstatedContainers } from './UnstatedUtils';
-import TopOfTableContents from './TopOfTableContents';
 import StickyStretchableScroller from './StickyStretchableScroller';
 
 // eslint-disable-next-line no-unused-vars
@@ -34,8 +33,6 @@ const TableOfContents = (props) => {
 
   return (
     <>
-      {/* TODO GW-3253 add four contents */}
-      <TopOfTableContents />
       <StickyStretchableScroller
         contentsElemSelector=".revision-toc .markdownIt-TOC"
         stickyElemSelector="#revision-toc"