Can't remove external domain after setting it up.

[afonso-pereira]

Hi,
After setting up an external domain for a service, it is not possible to remove it.
To workaround this issue, I had to replace it with a mock configuration.

[czhu12]

Yeah, ran into this issue. On the backlog & will fix

[afonso-pereira]

Thanks @czhu12 ! Are you open to external contributors? I may try to tackle this

[czhu12]

@afonso-pereira Yes absolutely!