Disable comments feed, but not the others

function remove_comment_feeds( $for_comments ){
    if( $for_comments ){
        remove_action( 'do_feed_rss2', 'do_feed_rss2', 10, 1 );
        remove_action( 'do_feed_atom', 'do_feed_atom', 10, 1 );
    }
}
add_action( 'do_feed_rss2', 'remove_comment_feeds', 9, 1 );
add_action( 'do_feed_atom', 'remove_comment_feeds', 9, 1 );