Remove all uses of bones

Change-Id: I302f43484c599a05e077545df5f053a89d63a6a6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/275079
Commit-Queue: Nathaniel Nifong <nifong@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
3 files changed