[pkg-go] tendermint-go-rpc is marked for autoremoval from testing

[Debian testing autoremoval watch]

tendermint-go-rpc 0.0~git20161021.0.e6e3853-2 is marked for autoremoval from testing on 2020-05-05

It (build-)depends on packages with these RC bugs:
954519: tendermint-log15: FTBFS: dh_auto_test: error: cd obj-x86_64-linux-gnu && go test -vet=off -v -p 1 github.com/tendermint/log15 github.com/tendermint/log15/ext github.com/tendermint/log15/term returned exit code 1