These are the FYI bots, right?  Sounds good, since r552589 landed a while ago for  issue 824966 .

Yes, these are the FYI bots.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/tools/build/+/a8299d7834a7dec5ba11c86d0d1e07a46f1a1580

commit a8299d7834a7dec5ba11c86d0d1e07a46f1a1580
Author: Nico Weber <thakis@chromium.org>
Date: Mon Jul 16 16:49:00 2018

Remove Site Isolation Linux, Site Isolation Win bots.

build/ side

Bug:  863886 
Change-Id: I05715428589e181904b1cea88fbf8abd0336b920
Reviewed-on: https://chromium-review.googlesource.com/1138341
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>

[modify] https://crrev.com/a8299d7834a7dec5ba11c86d0d1e07a46f1a1580/tests/masters_recipes_test.py
[modify] https://crrev.com/a8299d7834a7dec5ba11c86d0d1e07a46f1a1580/scripts/slave/gatekeeper.json
[modify] https://crrev.com/a8299d7834a7dec5ba11c86d0d1e07a46f1a1580/scripts/slave/recipe_modules/chromium_tests/chromium_fyi.py
[modify] https://crrev.com/a8299d7834a7dec5ba11c86d0d1e07a46f1a1580/scripts/slave/recipe_modules/chromium_tests/trybots.py

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/12363ccd8c22500f7241e05f3110c7575c941fb2

commit 12363ccd8c22500f7241e05f3110c7575c941fb2
Author: Nico Weber <thakis@chromium.org>
Date: Mon Jul 16 17:03:52 2018

Remove Site Isolation Linux, Site Isolation Win bots.

src/ side

Bug:  863886 
Change-Id: I4b5914a0e9fa12ab263d2586b08f8f4a23f7cba5
Reviewed-on: https://chromium-review.googlesource.com/1138334
Reviewed-by: Charlie Reis <creis@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575314}
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/infra/config/global/cr-buildbucket-dev.cfg
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/infra/config/global/cr-buildbucket.cfg
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/infra/config/global/luci-milo-dev.cfg
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/infra/config/global/luci-milo.cfg
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/infra/config/global/luci-scheduler.cfg
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/testing/buildbot/chromium.fyi.json
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/testing/buildbot/test_suites.pyl
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/testing/buildbot/waterfalls.pyl
[modify] https://crrev.com/12363ccd8c22500f7241e05f3110c7575c941fb2/tools/mb/mb_config.pyl