Remove the MSAA path renderer

Bug: skia:
Change-Id: Ib18bede613c8d27fd6326f655dc2d638e35870ff
Reviewed-on: https://skia-review.googlesource.com/123726
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
10 files changed