vbom.ml has gone

[ccding]

> go get github.com/solo-io/solo-apis@v1.6.31
go: github.com/solo-io/solo-apis@v1.6.31 indirectly requires vbom.ml/util@v0.0.0-20160121211510-db5cfe13f5cc: unrecognized import path "vbom.ml/util": https fetch: Get "https://vbom.ml/util?go-get=1": dial tcp: lookup vbom.ml: no such host

see kubernetes/kubectl#925