[no issue number] fix unsubscribing in documentlist (#2740)

* fix unsubscribing in documentlist

* fix tslint errors

demo-shell/src/app/components/file-view/file-view.component.ts

@@ -33,9 +33,6 @@ export class FileViewComponent implements OnInit {
         private apiService: AlfrescoApiService) {}
 
     ngOnInit() {
-        this.route
-            .data
-            .subscribe(v => console.log(v));
 
         this.route.params.subscribe(params => {
             const id = params.nodeId;