Revert "Scale the GPU when running perf on Pixel(2)"

This reverts commit aa504cddb9196a3f5e798a280061ba6eb3c22901.

Reason for revert: Kevin asked me to revert since this broke things

Original change's description:
> Scale the GPU when running perf on Pixel(2)
> 
> This is a similar followup to:
> https://skia-review.googlesource.com/c/skia/+/93561
> 
> Bug: skia:
> Change-Id: I9b11dbf3d063fd64b1dd712cf1c596618f2c9ffc
> Reviewed-on: https://skia-review.googlesource.com/114340
> Reviewed-by: Eric Boren <borenet@google.com>
> Commit-Queue: Kevin Lubick <kjlubick@google.com>

TBR=borenet@google.com,kjlubick@google.com

Change-Id: Idbc7234f2b7ff8c5e632680903836e1f4eaa50d5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/114425
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
5 files changed