remove unused SkCurveMeasure

Bug: skia:
Change-Id: I36eb00883bc17e8eef4d1d226972f0125f0e2630
Reviewed-on: https://skia-review.googlesource.com/91702
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
5 files changed