Well I've made a quick modification to allow you to hide that part. Please download this file: SLPosts TMP, extract and replace the single-latest-posts.php file found in
/wp-content/plugins/slposts-lite, that's it, if you want the footer metadata to be displayed just add to your shortcodes
footer_meta=true otherwise you won't see it.
This is a temporary fix I've made just for you so there are missing options in the editor and widget forms, once I've the time I'll add the option to display the metadata in footer to those forms and upload the new version.
Thanks for asking and helping me improve Single Latest Posts, please let me know if it works as expected.