Sample/Lines remove boring sample

Change-Id: I8d266641d283af298a5d44b2889d4fdd4173aeee
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225722
Auto-Submit: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
2 files changed