Don't show "logout" when authenticated by Header

ui/src/layout/Menu.js

@@ -1,6 +1,6 @@
 import React, { useState } from 'react'
 import { useSelector } from 'react-redux'
-import { makeStyles, useMediaQuery } from '@material-ui/core'
+import { makeStyles } from '@material-ui/core'
 import { useTranslate, MenuItemLink, getResources } from 'react-admin'
 import { withRouter } from 'react-router-dom'
 import LibraryMusicIcon from '@material-ui/icons/LibraryMusic'
@@ -30,8 +30,7 @@ const translatedResourceName = (resource, translate) =>
         : inflection.humanize(inflection.pluralize(resource.name)),
   })
 
-const Menu = ({ onMenuClick, dense, logout }) => {
-  const isXsmall = useMediaQuery((theme) => theme.breakpoints.down('xs'))
+const Menu = ({ onMenuClick, dense }) => {
   const open = useSelector((state) => state.admin.ui.sidebarOpen)
   const translate = useTranslate()
   const classes = useStyles()
@@ -116,7 +115,6 @@ const Menu = ({ onMenuClick, dense, logout }) => {
         {resources.filter(subItems('library')).map(renderResourceMenuItemLink)}
       </SubMenu>
       {resources.filter(subItems(undefined)).map(renderResourceMenuItemLink)}
-      {isXsmall && logout}
       <HelpDialog />
     </div>
   )