These unused functions and methods were discovered by a (work in
progress) dead function analyzer.
Change-Id: Iaa9c5fd4f06bdcd5d7c6e194bcc24d6b37df8f4c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/639675
Auto-Submit: Alan Donovan <adonovan@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>