chore(ci): addressing reviewer comments: cleanup network conf

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb-vnf.sa.band78.273prb.aerial.conf

@@ -192,19 +192,11 @@ gNBs =
 
 
     ////////// AMF parameters:
-    amf_ip_address      = ( { ipv4       = "192.168.70.132";
-                              ipv6       = "192:168:30::17";
-                              active     = "yes";
-                              preference = "ipv4";
-                            }
-                          );
-
+    amf_ip_address      = ({ ipv4       = "192.168.70.132"; });
 
     NETWORK_INTERFACES :
     {
-        GNB_INTERFACE_NAME_FOR_NG_AMF            = "demo-oai";
         GNB_IPV4_ADDRESS_FOR_NG_AMF              = "192.168.70.129/24";
-        GNB_INTERFACE_NAME_FOR_NGU               = "demo-oai";
         GNB_IPV4_ADDRESS_FOR_NGU                 = "192.168.70.129/24";
         GNB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };