TF-1371 Remove object not used

(cherry picked from commit 96a220da5f4ea22fc5a3064ba8646f41d6970a77)

core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart

@@ -225,13 +225,6 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
             }
           }
 
-          if (data['type'] != null && data['type'].contains('toDart: onChangeContent') && data['view'] == createdViewId) {
-            Scrollable.of(context).position.ensureVisible(
-                context.findRenderObject()!,
-                duration: const Duration(milliseconds: 100),
-                curve: Curves.easeIn);
-          }
-
           if (data['type'] != null && data['type'].contains('toDart: OpenLink') && data['view'] == createdViewId) {
             final link = data['url'];
             if (link != null && mounted) {