Remove SurfacePro Test tasks.

Test tasks were added in https://skia-review.googlesource.com/c/35321,
but dm results are identical to to IntelIris540; just some differences
in fonts. Removing the Test tasks will allow the bot to run Perf more
frequently, providing better data.

Bug: skia:6978
Change-Id: Icb8b6af7267a879b2d761d0e7fca6064f53281f8
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/36161
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
2 files changed