TeamCity: remove 1.16 testing for linux/arm64, windows/amd64 and mac/* (#2601)
TeamCity: remove 1.16 testing for linux/arm64, windows/amd64 and mac/* (#2601)

We've only ever tested the latest version of Go on everything except
linux/amd64.
go-delve/delve,go-delve/delve,go-delve/delve,go-delve/delve,go-delve/delve