Unsets the named environment variables and returns a restore. The decision drivers read their base
URLs and the Cloudflare account ID from the environment when a credential carries none, so a host
with one set could otherwise send a misconfigured candidate to a real server.
Unsets the named environment variables and returns a restore. The decision drivers read their base URLs and the Cloudflare account ID from the environment when a credential carries none, so a host with one set could otherwise send a misconfigured candidate to a real server.