Last reference appears to have been removed in CL 227759.
Change-Id: Ieb9da0a69a8beb96dcb5309ca43cf1df61d39bce
Reviewed-on: https://go-review.googlesource.com/c/go/+/715541
Auto-Submit: Ian Lance Taylor <iant@golang.org> Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Than McIntosh <thanm@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com>