Can't remove iPad from sync chain

Description of the issue:
I can’t remove my iPad from sync chain (screenshot below) and on Brave mobile version for iOS, there is no option to leave sync chain or log out to change the profile for a new one.

Screenshot:
screenshot-000

Operating System and Brave Version:
Win 7; Brave Version 1.18.78 Chromium: 87.0.4280.141 (Official Build) (64-bit)
iPad mini 5th gen.; iOS 14.3