cleanup: Remove ifname if it's still present in network.interface

This was a pre-21.02 thing. We will instead configure a device for the
network.interface to point to.

wireless-setup.yml

@@ -25,6 +25,7 @@
         value:
           device: "{{ item.device }}"
           proto: "{{ item.proto }}"
+          ifname: "{{ item.ifname | default() }}"
       loop: "{{ network['interface'] }}"
 
     - name: commit changes