[AF] Remove usage of AutofillUpdateChromeSettingsLinkToGPayWeb flag

Fixed: 344688502
Change-Id: I99155ede3ffc112a21363a16a1fda75af7ad943a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5595215


Reviewed-by: Theodore Olsauskas-Warren <sauski@google.com>
Reviewed-by: Vinny Persky <vinnypersky@google.com>
Commit-Queue: Olivia Saul <jsaul@google.com>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Reviewed-by: Mohamed Amir Yosef <mamir@chromium.org>
Reviewed-by: Vidhan Jain <vidhanj@google.com>
Reviewed-by: Stephen McGruer <smcgruer@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1310783}