Remove GrMesh::setVertexData

Fuses the relevant functionality into the set() calls.

Change-Id: I3a764219425c35967942366c60a6b9ee6ec48e11
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/276836
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
20 files changed