Remove split code.
Squashed 'ninepatch/' content from commit a173a47

git-subtree-dir: ninepatch
git-subtree-split: a173a478ad5402e2392f7b6e78efa3efd26036a6
Merge commit '7f4060ec65ec2dc29d4375b292740f29ad3bcbf6' as 'ninepatch'