Since JS arguments are always reversed now
(https://crrev.com/c/2466116), the logic for skipping the arguments
adapter is dead. Hence this CL removes the dead enum value and all code
handling it.

R=victorgomes@chromium.org

Bug: v8:10201
Change-Id: Ie225d14f4ef4e698b76a69cb97fd3eef616e9222
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2485074Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70621}