This reverts commit f7df60d5.

Original change's description:
> Revert "Ship globalThis 🎉"
> 
> This reverts commit 4dac9872.
> 
> Reason for revert: Speculative revert for layout test failures:
> https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8-Blink%20Linux%2064/25970
> 
> E.g.:
> virtual/service-worker-servicification/http/tests/serviceworker/webexposed/global-interface-listing-service-worker.html
> 
> Original change's description:
> > Ship globalThis 🎉
> > 
> > Proposal repository:
> > https://github.com/tc39/proposal-global
> > 
> > Intent to ship:
> > https://groups.google.com/d/msg/v8-users/Vkoh0wXRwaM/Yt7MpzhkAgAJ
> > 
> > Bug: v8:5537
> > Change-Id: I60a6c5375165d89548db12fef454a64137d04c27
> > Reviewed-on: https://chromium-review.googlesource.com/1195494
> > Reviewed-by: Adam Klein <adamk@chromium.org>
> > Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
> > Commit-Queue: Mathias Bynens <mathias@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#55543}
> 
> TBR=adamk@chromium.org,gsathya@chromium.org,mathias@chromium.org
> 
> Change-Id: Iacb484d36ba2c8002336038660450b240006e0ab
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: v8:5537
> Reviewed-on: https://chromium-review.googlesource.com/1199743
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55564}

TBR=adamk@chromium.org,machenbach@chromium.org,gsathya@chromium.org,mathias@chromium.org

Change-Id: I7912be09ab68ef956a8cc164fa8bbd937efb58c5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:5537
Reviewed-on: https://chromium-review.googlesource.com/1200722Reviewed-by: Mathias Bynens <mathias@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55606}