ccpr: Remove fCurrAnchorPoint from GrCCGeometry

Removes fCurrAnchorPoint, and various other cleanups. fCurrAnchorPoint
was originally added because points were expected to be written directly
to mapped GPU buffers, which is not going to happen anymore.

Bug: skia:
Change-Id: Icaf8d09dae218f58c19a2f368f3cd281e285e2dd
Reviewed-on: https://skia-review.googlesource.com/119984
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
4 files changed