puppet: Tidy old golang directories.
puppet: Tidy old golang directories.

This relies on behavior which is only in Puppet 5.5.1 and above, which
means it must be skipped on Ubuntu 18.04.

andersk/zulip,eeshangarg/zulip,eeshangarg/zulip,kou/zulip,eeshangarg/zulip,rht/zulip,zulip/zulip,eeshangarg/zulip,rht/zulip,andersk/zulip,zulip/zulip,kou/zulip,rht/zulip,kou/zulip,zulip/zulip,eeshangarg/zulip,zulip/zulip,zulip/zulip,eeshangarg/zulip,rht/zulip,kou/zulip,eeshangarg/zulip,andersk/zulip,kou/zulip,kou/zulip,rht/zulip,andersk/zulip,rht/zulip,rht/zulip,zulip/zulip,andersk/zulip,andersk/zulip,kou/zulip,zulip/zulip,andersk/zulip