code: public static base_responses delete(nitro_service client, ntpserver resources[]) throws Exception {
  		base_responses result = null;
  		if (resources != null && resources.length > 0) {
  			ntpserver deleteresources[] = new ntpserver[resources.length];
  			for (int i=0;i<resources.length;i++){
  				deleteresources[i] = new ntpserver();
  				deleteresources[i].serverip = resources[i].serverip;
  				deleteresources[i].servername = resources[i].servername;
  			}
  			result = delete_bulk_request(client, deleteresources);
  		}
  		return result;
  	}
docs: Use this API to delete ntpserver resources.