update dep

frontend/src/pages/file-history/main-panel.js

@@ -1,6 +1,5 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import Prism from 'prismjs';
 import { MarkdownViewer } from '@seafile/seafile-editor';
 import Loading from '../../components/loading';
 import { mediaUrl } from '../../utils/constants';
@@ -14,10 +13,6 @@ const propTypes = {
 
 class MainPanel extends React.Component {
 
-  componentDidMount() {
-    Prism.highlightAll();
-  }
-
   onSearchedClick = () => {
     //todos;
   };