Revert "[Graphite] Add shared DawnUtilsPriv class."

This reverts commit ffda2f02c8b2824d608a14e3f56b7f3e9a53f7a3.

Reason for revert: need to fix chrome build file first

Original change's description:
> [Graphite] Add shared DawnUtilsPriv class.
>
> Also share format byte size calculations between ganesh and graphite
>
> Change-Id: I20a344afa53d941f5d53228109b3aa3a944a6706
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/654876
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>

Change-Id: I7ee016d0f4cd4355ec7d27c8b95f3bed4f519fd0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/655816
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
11 files changed