Disable per-netdev primary flag

Primary network devices are now identified by a per-node attribute,
rather than a per-netdev boolean. While the legacy data can still be
parsed, the argument for setting the per-netdev boolean at the
command-line is no longer available.
Correct behavior is tested.

Signed-off-by: Christian Goll <cgoll@suse.com>

internal/pkg/node/datastructure.go

@@ -83,7 +83,7 @@ type NetDevs struct {
 	Netmask string            `yaml:"netmask,omitempty" lopt:"netmask" sopt:"M" comment:"Set the networks netmask" type:"IP"`
 	Gateway string            `yaml:"gateway,omitempty" lopt:"gateway" sopt:"G" comment:"Set the node's network device gateway" type:"IP"`
 	MTU     string            `yaml:"mtu,omitempty" lopt:"mtu" comment:"Set the mtu" type:"uint"`
-	Primary string            `yaml:"primary,omitempty" lopt:"primary" comment:"Enable/disable network device as primary (true/false)" type:"bool"`
+	Primary string            `yaml:"primary,omitempty" type:"bool"`
 	Default string            `yaml:"default,omitempty"` /* backward compatibility */
 	Tags    map[string]string `yaml:"tags,omitempty" lopt:"nettagadd" comment:"network tags"`
 	TagsDel []string          `yaml:"tagsdel,omitempty" lopt:"nettagdel" comment:"delete network tags"` // should not go to disk only to wire