[lille][network] Remove sw-admin5 that make refapi jenkins test failed

data/grid5000/sites/lille/network_equipments/sw-chiclet-1.json

@@ -235,10 +235,6 @@
         {
         },
         {
-          "kind": "switch",
-          "rate": 1000000000,
-          "snmp_name": "Ethernet1/48",
-          "uid": "sw-admin5"
         },
         {
         },

input/grid5000/sites/lille/networks/sw-chiclet-1.yaml

@@ -126,10 +126,6 @@ sw-chiclet-1:
           uid: chiclet-7-eth1
         32:
           uid: chiclet-8-eth1
-        48: 
-          uid: sw-admin5
-          kind: switch
-          rate: 1000000000
         53:
           uid: port-channel1
           kind: channel