Remove unused TextPathIter

Change-Id: I6f5ff3d73ce68c351a019ca467b0eebc7054921c
Reviewed-on: https://skia-review.googlesource.com/145887
Commit-Queue: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Herb Derby <herb@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2 files changed