remove more old cmake files

NOTRY=true

Change-Id: I53326b62467aeb6346325597f0223e247fefed8c
Reviewed-on: https://skia-review.googlesource.com/5391
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
2 files changed