JS code to remove ad units from specific pages

(function(w){
    let urls    = [ // URLs array to remove ad units from
        '/estaticas/que-jugador-del-lugo-ha-sido-tu-favorito.html'
    ];
    let adUnits = [ // Ad units to remove from URLs in previous array
        '_663008',
        '_660209'
    ];
    function checkUrl(url){
        return urls.some(function(urls) {
            return url.indexOf(urls) !== -1;
        });
    }
    if(checkUrl(document.location.href))
    {
        try {

            Array.from(adUnits).forEach(function(adUnit) {
                delete w.__lxGr__[adUnit];
            });
        } catch (e) {
            console.log("NO AD UNIT!");
        }
    }
})(window);