All Email Notification Need To Go To Profile Email Address Not In Shipping Address Email

Hello Dear cs cart experts we are useing cs cart multivendor 4.3.6

First i want to hide/remove email option on checkout shipping page please see snapshot name cs1 & cs2 or demo1 & demo2

than in My Account > Profile detail > email all email need to go on this email id please see cs3 or demo3

my simple mean is i want to hide/remove email id need to add by buyer in shipping address or billing address & than all emails like orders , profile , forget password need to go on profile email id like

snapshot cs3 or demo3

Please help how can we do it please provide code with file name ??

cs1.jpg

cs2.jpg

cs3.jpg

demo1.jpg

demo2.jpg

demo3.jpg