Remove GrCoordTransform entirely

Bug: skia:10416
Change-Id: I0ca7535a0e6507e6b2a9f4682788826972c5f3b8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300296
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
18 files changed