Remove peertube version of footer

client/src/app/app.component.html

@@ -29,8 +29,8 @@
       </div>
 
       <footer class="row">
-        <a href="https://joinpeertube.org" title="PeerTube website" target="_blank" rel="noopener noreferrer">PeerTube v{{ getServerVersionAndCommit() }}</a>&nbsp;-&nbsp;
-        <a href="https://github.com/Chocobozzz/PeerTube/blob/develop/LICENSE" title="PeerTube license" target="_blank" rel="noopener noreferrer">CopyLeft 2015-2019</a>
+        <a href="https://joinpeertube.org" title="PeerTube website" target="_blank" rel="noopener noreferrer" i18n>Powered by PeerTube</a>&nbsp;-&nbsp;
+        <a href="https://github.com/Chocobozzz/PeerTube/blob/develop/LICENSE" title="PeerTube license" target="_blank" rel="noopener noreferrer">CopyLeft 2015-2020</a>
       </footer>
     </div>
   </div>

client/src/app/app.component.ts

@@ -111,10 +111,6 @@ export class AppComponent implements OnInit {
     this.isMenuDisplayed = window.innerWidth >= 800 && !this.isMenuChangedByUser
   }
 
-  getServerVersionAndCommit () {
-    return this.serverService.getServerVersionAndCommit()
-  }
-
   private initRouteEvents () {
     let resetScroll = true
     const eventsObs = this.router.events