OR how can i remove the duplicate fileds in both, kindly help pls

https://prnt.sc/p14fin in this page how can i remove first name , last name , email and phone for avoiding duplication comparing to this form https://prnt.sc/p14crp

AND

In this form https://prnt.sc/p14crp i have to remove
1) create an account with check box
2) Returning customer? CLICK HERE TO LOGIN
3) Have a coupon? CLICK HERE TO ENTER YOUR CODE
These above fields i have to remove.
Kindly help
Thanks