The private encodePem() and unique() functions under the acme package had no call-sites and so can be removed. Change-Id: Ic617392e7cc9b9e795456626a623ba02df108694 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/676875 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Roland Shoemaker <roland@golang.org> Auto-Submit: Daniel McCarney <daniel@binaryparadox.net> Reviewed-by: Michael Knyszek <mknyszek@google.com>