golang-github-couchbase-moss is marked for autoremoval from testing

[Debian testing autoremoval watch]

golang-github-couchbase-moss 0.0~git20170914.0.07c86e8-4 is marked for 
autoremoval from testing on 2019-05-15

It (build-)depends on packages with these RC bugs:
907907: golang-google-cloud: FTBFS randomly (failing tests)