Revert "Force new displays on each Windows 7 end2end test."
Revert "Force new displays on each Windows 7 end2end test."

This reverts commit 3e8a8d5b8567d08855d500c85bcf7cdcc4653f9a.

Reason for revert: Didn't seem to fix the bot.

Original change's description:
> Force new displays on each Windows 7 end2end test.
> 
> This should fix the buffer allocation crash manifesting on Windows 7
> x64.
> 
> Bug: angleproject:3261
> Bug: chromium:944454
> Change-Id: I8a0713e1d1f18285f128c0cfb98b398c6a336a36
> Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1534461
> Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
> Commit-Queue: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

TBR=ynovikov@chromium.org,syoussefi@chromium.org,7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: angleproject:3261, chromium:944454
Change-Id: I835331cbe444cc9415bef77f06462be580b43f49
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1535235
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Commit-Queue: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

ppy/angle,ppy/angle,ppy/angle,ppy/angle