remove unneeded proc fields

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD
Bug: skia:
Change-Id: Ibf997c8d19a045d41d3e92b8db63c36f8fa10b3e
Reviewed-on: https://skia-review.googlesource.com/19441
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
6 files changed