Delete a Cron Job
From Acenet Knowledgebase
[1] Click on the "Cron jobs" icon within the "Advanced" section of your cPanel. [2] Locate the cron job you're wanting to delete under the 'Current Cron Jobs' section. [3] Click 'Delete' to the right of the cron job you're wanting to delete. [4] Click the 'Delete' button.