Checklist Mini-Screen, appendTo: 'parent' not necessary anymore

- obsolete since commit c7808c5c03

client/components/cards/checklists.js

@@ -59,7 +59,6 @@ BlazeComponent.extendComponent({
         if (Utils.isMiniScreenOrShowDesktopDragHandles()) {
           $(self.itemsDom).sortable({
             handle: 'span.fa.checklistitem-handle',
-            appendTo: 'parent',
           });
         }
       }