Price package checkout is using my own form and the default at the same time

I’m having trouble with

My price package checkout has a second form after my custom one. It once again ask for “First name, last name and phone number”. And it only summarize the old custom info too.

Working in
Wix Editor

Site link

www.halsovinst.se

What I’m trying to do

Just want my custom form, not a second one where they have to add basic information again.