Sorry – have been really busy with an upcoming release. Your change is actually easy to make. Pls comment out the line numbers 124 and 125 in framework/functions/thumbnail-functions.php like below –
//$image_info .= '';
//$image_info .= mo_get_taxonamy_info($taxonamy);
This will affect the blog too but probably not a big deal since the title of the blog will be just below the image anyway for the user to navigate. ELse, you need to add a check for the post type blog post before you execute the above code –
$post_type = get_post_type($post_id);
if ($post_type === 'post') {
$image_info .= '';
$image_info .= mo_get_taxonamy_info($taxonamy);
}