[bordeaux] infiniband switch does not have cacti graphs

generators/input/sites/bordeaux/net-links/ib.yaml

@@ -4,6 +4,8 @@ ib:
   kind: switch
   site: bordeaux
   snmp_community: public
+  weathermap: 
+    use_cacti: "no"
   vlans: 
     naming_pattern: Vlan%VLANID%
   routes: {}