Delete record

var grScReqItem = new GlideRecord('sc_req_item');
grScReqItem.addEncodedQuery("opened_byDYNAMIC90d1921e5f510100a9ad2572f2b477fe^number<=RITM127151");
grScReqItem.orderByDesc('number');
grScReqItem.setLimit(250);
grScReqItem.query();
while (grScReqItem.next()) {
    gs.info('number: ' + grScReqItem.getValue('number'));
    //  gs.info(grScReqItem.deleteMultiple());
}