Revert of Make copySurface work for texture dsts, return a bool, & add unit test. (patchset #6 id:100001 of https://codereview.chromium.org/1684313002/ )

Reason for revert:
Copy surface tests are not happy for Windows, Android and probably others:
https://uberchromegw.corp.google.com/i/client.skia.android/builders/Test-Android-GCC-Nexus7-GPU-Tegra3-Arm7-Release/builds/4161
https://uberchromegw.corp.google.com/i/client.skia/builders/Test-Win8-MSVC-ShuttleA-GPU-GTX960-x86_64-Release/builds/3694

Original issue's description:
> Make copySurface work for texture dsts, return a bool, & add unit test.
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1684313002
>
> Committed: https://skia.googlesource.com/skia/+/7ea5e28065e5eb797e95f5d81c1a65cf3209d741

TBR=robertphillips@google.com,bsalomon@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1690053002
11 files changed