Remove need for GrVkPipelineLayout class.

Change-Id: Ib37cc549bfd52a5fb3f1f8ef76d0117ed2a1f43d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230419
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
10 files changed