Hide certain category from post meta

function the_category_filter($thelist,$separator=' ') {
    if(!defined('WP_ADMIN')) {
        //list the category names to exclude
        $exclude = array('Home Slider');
        $cats = explode($separator,$thelist);
        $newlist = array();
        foreach($cats as $cat) {
            $catname = trim(strip_tags($cat));
            if(!in_array($catname,$exclude))
                $newlist[] = $cat;
        }
        return implode($separator,$newlist);
    } else
        return $thelist;
}
add_filter('the_category','the_category_filter',10,2);