fix bookmaker

Remove references to old SkPaint::Hinting.

Also fix bug recently introduced that made
unlinkable words use the last link found.

TBR=reed@google.com

Docs-Preview: https://skia.org/?cl=170266
Bug: skia:
Change-Id: I8b83bcb479bd3f79699a1c74818a817190fd42a5
Reviewed-on: https://skia-review.googlesource.com/c/170266
Commit-Queue: Cary Clark <caryclark@skia.org>
Auto-Submit: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
27 files changed