[interfaces] Do not force autoconf

roles/interfaces/templates/network/interfaces.d/00-srv.j2

@@ -22,9 +22,6 @@ iface {{ srv_iface.stdout }} inet static
 
 iface {{ srv_iface.stdout }} inet6 static
 	address {{ srv.ipv6[0].address }}/{{ srv.ipv6[0].prefix }}
-	autoconf 1
-	accept_ra 2
-	up /sbin/sysctl net/ipv6/conf/$IFACE/accept_ra_defrtr=1
 {% if ansible_local.interfaces.sup_if_6 is defined %}
 {% if srv_iface.stdout in ansible_local.interfaces.sup_if_6 %}
 {% for line in ansible_local.interfaces.sup_if_6[srv_iface.stdout] %}

roles/interfaces/templates/network/interfaces.d/01-ens.j2

@@ -22,9 +22,6 @@ iface {{ ens_iface.stdout }} inet static
 
 iface {{ ens_iface.stdout }} inet6 static
 	address {{ ens.ipv6[0].address }}/{{ ens.ipv6[0].prefix }}
-	autoconf 1
-	accept_ra 2
-	up /sbin/sysctl net/ipv6/conf/$IFACE/accept_ra_defrtr=1
 {% if ansible_local.interfaces.sup_if_6 is defined %}
 {% if ens_iface.stdout in ansible_local.interfaces.sup_if_6 %}
 {% for line in ansible_local.interfaces.sup_if_6[ens_iface.stdout] %}

roles/interfaces/templates/network/interfaces.d/23-adh.j2

@@ -22,9 +22,6 @@ iface {{ adh_iface.stdout }} inet static
 
 iface {{ adh_iface.stdout }} inet6 static
 	address {{ adh.ipv6[0].address }}/{{ adh.ipv6[0].prefix }}
-	autoconf 1
-	accept_ra 2
-	up /sbin/sysctl net/ipv6/conf/$IFACE/accept_ra_defrtr=1
 {% if ansible_local.interfaces.sup_if_6 is defined %}
 {% if adh_iface.stdout in ansible_local.interfaces.sup_if_6 %}
 {% for line in ansible_local.interfaces.sup_if_6[adh_iface.stdout] %}