[@ewd910 Participant 3 years, 10 months ago]

add_filter('bbp_get_topic_stick_link',
    function ($link, $retval, $admin_links) {
        $splitLink = explode('a> <a', $link);
        $link = $splitLink[0] . 'a>';
        return $link;
    }, 10, 3
);

Here’s my solution in case anyone sees this