This reverts commit 2e1091e0.

Reason for revert: Potentially flaky results, http://anglebug.com/5215

Original change's description:
>    Tests: Add FIFA Mobile trace
>
>    Test: angle_perftests --gtest_filter="*fifa_mobile*"
>    Bug: b/171421051
>    Change-Id: If50c6387a1a49fb6946d20279caf6470544a2b11
>    Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2490279
>    Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
>    Reviewed-by: Jamie Madill <jmadill@chromium.org>
>    Commit-Queue: Cody Northrop <cnorthrop@google.com>

TBR=jmadill@chromium.org,syoussefi@chromium.org

Bug: angleproject:5215
Change-Id: I6a332b126c6c54f189fd451725957d288ab6b76b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2491113Reviewed-by: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Cody Northrop <cnorthrop@google.com>