How to remove the Autoresponder email on the form

the autosender is sending the customer a copy of the application they have submitted with Jotform advertising at the bottom stating c"complete your own jotform it's free" how do I remove the copy of the application and the jotform advertising and send a bespoke email

You can delete the email templates on the form i.e. Notification and Autoresponder. Once deleted, no submission email will be sent.

Here is the user guide : How to Delete Notifications/Autoresponder

The JotForm branding (or what you call the jotform advertising) can be removed and disabled in settings on paid accounts.