Remove redundant package references

src/components/PageHeader/index.js

@@ -1,8 +1,6 @@
 import React, { PureComponent, createElement } from 'react';
 import pathToRegexp from 'path-to-regexp';
 import { Breadcrumb, Tabs, Card } from 'antd';
-import memoizeOne from 'memoize-one';
-import deepEqual from 'lodash.isequal';
 import classNames from 'classnames';
 import styles from './index.less';
 import { urlToList } from '../_utils/pathTools';
@@ -21,11 +19,6 @@ export const getBreadcrumb = (breadcrumbNameMap, url) => {
 };
 
 export default class PageHeader extends PureComponent {
-  constructor(props) {
-    super(props);
-    this.conversionFromLocation = memoizeOne(this.conversionFromLocation, deepEqual);
-  }
-
   state = {
     breadcrumb: null,
   };

src/layouts/BasicLayout.js

@@ -1,6 +1,7 @@
 import React from 'react';
 import { Layout } from 'antd';
 import DocumentTitle from 'react-document-title';
+import deepEqual from 'lodash.isequal';
 import memoizeOne from 'memoize-one';
 import { connect } from 'dva';
 import { ContainerQuery } from 'react-container-query';
@@ -35,7 +36,7 @@ const getBreadcrumbNameMap = memoizeOne(meun => {
   };
   mergeMeunAndRouter(meun);
   return routerMap;
-});
+}, deepEqual);
 
 const query = {
   'screen-xs': {