remove a couple more jsoncpp deps

Presumably if we don't need these in Skia,
we don't need them in Android?

Change-Id: Iff18066c1c2a52c999beabbd9239d4bc96d0ba6d
Reviewed-on: https://skia-review.googlesource.com/c/190438
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Mike Klein <mtklein@google.com>
2 files changed