[status] Clean up dead code
[status] Clean up dead code

Many functions in main() are unused due to the use of Twirp.

Change-Id: If907794b670b8c1c149898832d98a5e26f0fa988
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/529058
Reviewed-by: Eric Boren <0e499112533c8544f0505ea0d08394fb5ad7d8fa@google.com>
Commit-Queue: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot