templates: skip FC interfaces

Anything that has the WWN attribute set really. This won’t work for
VMs because this attribute is not returned for those.

templates/ansible.intf.j2

@@ -7,7 +7,7 @@ iface {{ vrf }}
 
 {%+ endfor %}
 
-{%- for iface in interfaces | selectattr('enabled') %}
+{%- for iface in interfaces | selectattr('enabled') | rejectattr('wwn') %}
 {% if iface.mgmt_only is not defined or not iface.mgmt_only %}
 auto {{ iface.name }}
 iface {{ iface.name }}{% if iface.name == 'lo' %} inet loopback{% endif +%}