digest: remove last of deprecated methods

[stevvooe]

Signed-off-by: Stephen J Day stephen.day@docker.com

cc @wking

[wking]

$ git grep New origin/pr/9 -- algorithm.go
origin/pr/9:algorithm.go:// returns false, New and Hash will return nil.
origin/pr/9:algorithm.go:// checked by calling Available before calling New.

Both of those should be updated too^.

[stevvooe]

gofmt bowled over the change. Fixed.

[wking]

On Fri, Dec 16, 2016 at 04:25:41PM -0800, Stephen Day wrote: `gofmt` bowled over the change. Fixed.

Wrong direction ;) $ git fetch origin remote: Counting objects: 4, done. remote: Compressing objects: 100% (1/1), done. remote: Total 4 (delta 3), reused 4 (delta 3), pack-reused 0 Unpacking objects: 100% (4/4), done. From git://github.com/docker/go-digest + ea0f3ad...2616283 refs/pull/9/head -> origin/pr/9 (forced update) $ git grep New origin/pr/9 -- algorithm.go origin/pr/9:algorithm.go:// returns false, New and Hash will return nil. origin/pr/9:algorithm.go:// checked by calling Available before calling New. origin/pr/9:algorithm.go: return algorithms[a].New()