Bug 1770732 [wpt PR 34163] - Revert "Anonymous iframe: regression test with COI....

Bug 1770732 [wpt PR 34163] - Revert "Anonymous iframe: regression test with COI.", a=testonly

Automatic update from web-platform-tests
Revert "Anonymous iframe: regression test with COI."

This reverts commit ab76764559964056dd98d168273e1ec7dfd938f3.

Reason for revert: tests fail on builder "Linux Tests" (https://ci.chromium.org/p/chromium/builders/ci/Linux%20Tests).
Sample failure: https://ci.chromium.org/ui/p/chromium/builders/ci/Linux%20Tests/116465/overview

Original change's description:
> Anonymous iframe: regression test with COI.
>
> When embedding inside a cross-origin-isolated page, the
> NavigationRequest::CoopCoepSanityCheck() throw an error in debug mode,
> and causes the navigation to never complete in release mode.
>
> This patch adds regressions tests.
>
> Bug: 1314369
> Change-Id: Ia2273c58fb034f21152d71e211e311f71e25011d
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3653848
> Reviewed-by: Arthur Hemery <ahemery@chromium.org>
> Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1006363}

Bug: 1314369
Change-Id: I82404299e75e6c4f5a63537afc8cc7b9960810ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3660186
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Owners-Override: Maksim Moskvitin <mmoskvitin@google.com>
Commit-Queue: Maksim Moskvitin <mmoskvitin@google.com>
Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1006398}

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wpt-commits: 13a09a654ef631054aeb332d91e64d090f349ef7
wpt-pr: 34163