Revert "Adding express route port authorization apis (Azure#10491)"

This reverts commit 29a80fe.

Author: utbarn-ms

specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/examples/ExpressRouteCircuitCreateOnExpressRoutePort.json

@@ -16,7 +16,6 @@
         "expressRoutePort": {
           "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/expressRoutePorts/portName"
         },
-        "authorizationKey": "b0be57f5-1fba-463b-adec-ffe767354cdd",
         "bandwidthInGbps": 10
       }
     }
@@ -35,7 +34,6 @@
           "expressRoutePort": {
             "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/expressRoutePorts/portName"
           },
-          "authorizationKey": "b0be57f5-1fba-463b-adec-ffe767354cdd",
           "bandwidthInGbps": 10,
           "circuitProvisioningState": "Enabled",
           "allowClassicOperations": false,
@@ -63,7 +61,6 @@
           "expressRoutePort": {
             "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/expressRoutePorts/portName"
           },
-          "authorizationKey": "b0be57f5-1fba-463b-adec-ffe767354cdd",
           "bandwidthInGbps": 10,
           "circuitProvisioningState": "Enabled",
           "allowClassicOperations": false,

specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/examples/ExpressRoutePortAuthorizationCreate.json

@@ -2239,10 +2239,6 @@
         "globalReachEnabled": {
           "type": "boolean",
           "description": "Flag denoting global reach status."
-        },
-        "authorizationKey": {
-          "type": "string",
-          "description": "The authorizationKey."
         }
       },
       "description": "Properties of ExpressRouteCircuit."