Revert "Added tests for sksl clone() on our test corpus"

This reverts commit 0c9b8bae422da10b1fde29af508849fe0ff32edf.

Reason for revert: breaking bots, apparently due to use-after-free?
Could be a real clone bug...!

http://screen/9NenpjnYNoDU58G

Original change's description:
> Added tests for sksl clone() on our test corpus
>
> Change-Id: I9022a6aa53b039e5aec2ceeb0062d536e5e278c9
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/496601
> Reviewed-by: John Stiles <johnstiles@google.com>
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

Change-Id: Ida8978a38ac24081895cd97a62718b6ec94f57c8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/497777
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
1 file changed