GitLab

The WebXr Permissions API has shipped with M83, as such the legacy
consent flow may also be removed. This change removes all tests that
were specific to the consent flow in preparation for removing the code
for the consent flow.

Bug: 1064384
Change-Id: I263a6f6acbac0abbd29436c4d1cfdf4502509628
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2219351
Commit-Queue: Alexander Cooper <alcooper@chromium.org>
Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#773317}