[pkg-go] golang-github-grpc-ecosystem-go-grpc-prometheus is marked for autoremoval from testing

[Debian testing autoremoval watch]

golang-github-grpc-ecosystem-go-grpc-prometheus 1.1+git20170826.0dafe0d-1 is marked for autoremoval from testing on 2018-08-09

It is affected by these RC bugs:
902466: golang-github-grpc-ecosystem-go-grpc-prometheus: FTBFS in buster/sid (failing tests)