You can delete any cron job at any time. If you are unsure what a cron job is doing it is safer to delete it and check the code with your hosting administrator.
To delete a cron job:
Click on the Cron jobs link in the Domain Menu area.
Click on the button next to the required cron job.
Click on the Cron jobs link to return to the Cron jobs window to confirm that it has been deleted.