removed localmatrix getter

Change-Id: I0325719c44993ddefec207d65fcb4babff807f70
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/208097
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
2 files changed