How to delete a record in ServiceNow via script
Deleting a single record
var grInc = new GlideRecord('incident');
grInc.get('02d253db87178a10e30563540cbb35dc');
if (grInc.next()) {
grInc.deleteRecord();
}
Deleting multiple records
var grInc = new GlideRecord('incident');
grInc.addQuery('active', false);
grInc.query();
while (grInc.next()) {
grInc.deleteRecord();
}