remove umi/locale in components

src/components/GlobalHeader/RightContent.js

@@ -109,6 +109,10 @@ export default class GlobalHeaderRight extends PureComponent {
           onItemClick={(item, tabProps) => {
             console.log(item, tabProps); // eslint-disable-line
           }}
+          locale={{
+            emptyText: formatMessage({ id: 'component.noticeIcon.empty' }),
+            clear: formatMessage({ id: 'component.noticeIcon.clear' }),
+          }}
           onClear={onNoticeClear}
           onPopupVisibleChange={onNoticeVisibleChange}
           loading={fetchingNotices}

src/components/NoticeIcon/index.js

 import React, { PureComponent } from 'react';
-import { formatMessage } from 'umi/locale';
 import { Popover, Icon, Tabs, Badge, Spin } from 'antd';
 import classNames from 'classnames';
 import List from './NoticeList';
@@ -17,8 +16,8 @@ export default class NoticeIcon extends PureComponent {
     onClear: () => {},
     loading: false,
     locale: {
-      emptyText: formatMessage({ id: 'component.noticeIcon.empty' }),
-      clear: formatMessage({ id: 'component.noticeIcon.clear' }),
+      emptyText: 'No notifications',
+      clear: 'Clear',
     },
     emptyImage: 'https://gw.alipayobjects.com/zos/rmsportal/wAhyIChODzsoKIOBHcBk.svg',
   };