We don't use the updated size anywhere.

Bug: v8:10315
Change-Id: Iba1fd484fef062d109aa4e5a2c1b40d0a838f80b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2317320Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69048}