virthost-rdu01: let us only have one gateway please

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

inventory/host_vars/virthost-rdu01.fedoraproject.org

@@ -4,7 +4,6 @@ br0_ipv4_gw: 172.31.2.254
 br0_ipv4_nm: 24
 br0_port0_mac: '{{ mac0 }}'
 br1_ipv4: 172.31.1.2
-br1_ipv4_gw: 172.31.2.254
 br1_ipv4_nm: 24
 br1_port0_mac: '{{ mac1 }}'
 datacenter: rdu
@@ -45,7 +44,6 @@ network_connections:
       - '{{ dns2 }}'
       dns_search:
       - '{{ dns_search1 }}'
-      gateway4: '{{ br1_ipv4_gw }}'
     name: br1
     state: up
     type: bridge