Remove unused variable

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,
@@ -52,8 +51,6 @@ export class VideoCommentAddComponent extends FormReactive implements OnInit {
       text: this.videoCommentValidatorsService.VIDEO_COMMENT_TEXT
     })
 
-    this.uri = this.router.url
-
     if (this.user) {
       if (this.focusOnInit === true) {
         this.textareaElement.nativeElement.focus()