LetsEncrypt removed it anyway. No API changes. Just a lot of deleted code. Fixes golang/go#46654 Co-authored-by: Brad Fitzpatrick <bradfitz@golang.org> Change-Id: I65cd0d33236033682b767403ad92aa572bee4fdd Reviewed-on: https://go-review.googlesource.com/c/crypto/+/380314 Trust: Filippo Valsorda <filippo@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Trust: Brad Fitzpatrick <bradfitz@golang.org>