[[child-pages] is now showing in the posts that is using this.

Is this due to a plugin being removed by accident? I have been making changes to this site and trying out different theme using Theme Test Drive plugin.

I removed some code to not show the post_meta and the post_info out of the Single and the index.php for the template I’m trying.

Not even sure at all what caused this.

Here is a link to one of the many pages. Since this isn’t working the menu is incorrect also:
http://messiahlutheranschool.com/class-pages/preschool/