[test] Remove a test skip that's fixed

No-Try: true
Bug: chromium:1231890
Change-Id: I01ad587070b9318cdf6d5ea1032adfefb30e42c9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3048189


Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75895}