creating a client fails with the new CRD

[maleck13]

This form is for bug reports and feature requests. Major features will go through a proposal process.

Bug:

With the latest CRD change to the mobileclient_crd.yaml I can no longer create clients with the CLI

What happened:
failed to create a client see gist
https://gist.github.com/maleck13/b2ef9c629e8c22d69558772b8ddd4a41
What you expected to happen:
a client to be created with an empty dmz url

@witmicko ping

[witmicko]

@maleck13 Im ok with removing the pattern, but I'm going to have a look if there is a way to make it work and have validation