puppet: Only fix certbot certificates if https is enabled.
puppet: Only fix certbot certificates if https is enabled.

This is a reprise of c97162e48572, but for the case where certbot
certs are no longer in use by way of enabling `http_only` and letting
another server handle TLS termination.

Fixes: #22034.

zulip/zulip,zulip/zulip,andersk/zulip,rht/zulip,andersk/zulip,andersk/zulip,rht/zulip,rht/zulip,zulip/zulip,andersk/zulip,andersk/zulip,zulip/zulip,andersk/zulip,rht/zulip,zulip/zulip,zulip/zulip,rht/zulip,rht/zulip,zulip/zulip,rht/zulip,andersk/zulip