remove unused TableMaskFilter

will revert if its needed in android

Bug: skia:
Change-Id: I2ef777d31de4bbed6556d013054083ff6ff2cb8c
Reviewed-on: https://skia-review.googlesource.com/20206
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
3 files changed