Revert hiding of Subtask boards, because of feedback from Wekan users,

that need Subtask boards to be visible.

Thanks to xet7 !

client/components/boards/boardsList.js

@@ -25,7 +25,6 @@ BlazeComponent.extendComponent({
       archived: false,
       'members.userId': Meteor.userId(),
       type: 'board',
-      subtasksDefaultListId: null,
     }, { sort: [['stars', 'desc'], ['color', 'asc'], ['title', 'asc'], ['description', 'asc'], ['_id', 'asc']] });
   },
   isStarred() {