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To remove your PayPal integration Kerric, you should click on it in your form editor and then click on the red x in the quick action toolbar
That will remove it from your jotform.
If you want to edit it, then you should click on the wand icon instead:
I would also suggest taking a look at this guide: Setting Up Your First Order Form
It will show you how to set the payment processor properly, but do let us know if you have any questions along the way.