Add Traefik Hub button and deprecate Pilot

Co-authored-by: Tom Moulard <tom.moulard@traefik.io>

webui/src/App.vue

@@ -1,26 +1,17 @@
 <template>
   <div id="q-app">
     <router-view />
-    <platform-panel
-      v-if="pilotEnabled" />
   </div>
 </template>
 
 <script>
 import { APP } from './_helpers/APP'
-import PlatformPanel from './components/platform/PlatformPanel'
 import { mapGetters } from 'vuex'
 
 export default {
   name: 'App',
-  components: {
-    PlatformPanel
-  },
   computed: {
-    ...mapGetters('core', { coreVersion: 'version' }),
-    pilotEnabled () {
-      return this.coreVersion.pilotEnabled
-    }
+    ...mapGetters('core', { coreVersion: 'version' })
   },
   beforeCreate () {
     // Set vue instance