Remove samples that aren't built

Change-Id: Ied09d28149cdb38ab1b4a4b704c993a726324220
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/205488
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
2 files changed