Revert "[graphite] Use X-macro to get better UniqueKey printouts"

This reverts commit 470ef78dc73992c8d65193bbb23b2d84b94e8340.

Reason for revert: red on tree

Original change's description:
> [graphite] Use X-macro to get better UniqueKey printouts
>
> Also add a Precompilation version of the Luma ColorFilter to test it out.
>
> Bug: b/259548724
> Bug: b/238759147
> Change-Id: I6ca45ae3edcd38c17f604bda96220bc935b75b01
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/833300
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Jim Van Verth <jvanverth@google.com>

Bug: b/259548724
Bug: b/238759147
Change-Id: Iecd5262b5bb1e58471920f5609a19e327e62310f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/834316
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Auto-Submit: Robert Phillips <robertphillips@google.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
5 files changed