Removes the forwarding rule from the root path on the server. The server will
no longer forward requests for / to an application.
do_remove_forward(droplet, ...)The droplet on which to act. It's expected that this droplet
was provisioned using do_provision(). See analogsea::droplet() to obtain a reference to a running droplet.
additional arguments to pass to analogsea::droplet_ssh()
The DigitalOcean droplet, but called for side effects