Follow up on https://chromium-review.googlesource.com/c/v8/v8/+/2510969
Now that gin implements the new version:
https://chromium-review.googlesource.com/c/chromium/src/+/2566052
These can be deprecated.

Change-Id: Ie1e5448655e40eb3c11089f59510f269a9873e66
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2566430Reviewed-by: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Etienne Pierre-Doray <etiennep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71700}