Remove version from copy shaders.

TBR: ethannicholas@google.com

No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: Ibb55b03fdf7b41dc9d2d46418f9be7d50977258d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/219398
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
3 files changed