bird: Remove veth int/ext hack

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>

bird/IGP.conf

@@ -114,13 +114,6 @@ protocol ospf IGP {
 		};
 {% endfor %}
 
-{%- if 'veth_int2ext' in node_config.get ('ifaces', {}) %}
-		# Learn transfer prefix to external VRF for BGP recursive lookup.
-		interface "veth_int2ext" {
-			stub yes;
-		};
-{%- endif %}
-
 {%- if 'ops-vpn' in roles %}
 		interface "tun-ops" {
 			stub yes;