Revert "Browsertests to list services used by Guest Profile"

This reverts commit 6aca703c85154c7055f5723133cc2dfb9fa5b143.

Reason for revert: Failing bots -- https://ci.chromium.org/ui/p/chromium/builders/ci/linux-lacros-tester-rel/31181

Original change's description:
> Browsertests to list services used by Guest Profile
>
> Test similar to the one done for System Profile.
> Used to monitor the addition/removal of Services for Guest Profile.
> Two tests: Original and OTR Guest Profile.
>
> Bug: 1284664
> Change-Id: I3d8a3f4fefd4ad30df7bd68223f903965f8cc5fa
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3867400
> Commit-Queue: Ryan Sultanem <rsult@google.com>
> Reviewed-by: David Roger <droger@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1044051}

Bug: 1284664
Change-Id: Ie5861ddfba6ccadb22ccadd78ff03d32f84f096b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3878096
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Thomas Guilbert <tguilbert@chromium.org>
Commit-Queue: Thomas Guilbert <tguilbert@chromium.org>
Owners-Override: Thomas Guilbert <tguilbert@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1044105}