puppet: Switch smokescreen to using zulip::external_dep, so it tidies.
puppet: Switch smokescreen to using zulip::external_dep, so it tidies.

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