fix account URI in remote comment modal (cleanup)

client/src/app/videos/+video-watch/comment/video-comment-add.component.html

@@ -41,7 +41,7 @@
     <span i18n>
       If you have an account on Mastodon or Pleroma, you can open it directly in their interface:
     </span>
-    <my-remote-subscribe [interact]="true" account="{{ getUrl() }}"></my-remote-subscribe>
+    <my-remote-subscribe [interact]="true" [account]="getUrl()"></my-remote-subscribe>
   </div>
   <div class="modal-footer inputs">
     <span i18n class="action-button action-button-cancel" role="button" (click)="hideVisitorModal()">

client/src/app/videos/+video-watch/comment/video-comment-add.component.ts

@@ -32,7 +32,6 @@ export class VideoCommentAddComponent extends FormReactive implements OnInit {
   @ViewChild('textarea') private textareaElement: ElementRef
 
   private addingComment = false
-  private uri: string
 
   constructor (
     protected formValidatorService: FormValidatorService,