minor update as per SMEs suggestion

Author: uhabiba04

articles/blockchain/templates/hyperledger-fabric-consortium-azure-kubernetes-service.md

@@ -139,7 +139,6 @@ SWITCH_TO_AKS_CLUSTER() { az aks get-credentials --resource-group $1 --name $2 -
 ORDERER_AKS_SUBSCRIPTION=<ordererAKSClusterSubscriptionID>
 ORDERER_AKS_RESOURCE_GROUP=<ordererAKSClusterResourceGroup>
 ORDERER_AKS_NAME=<ordererAKSClusterName>
-ORDERER_DNS_ZONE=
 ORDERER_DNS_ZONE=$(az aks show --resource-group $ORDERER_AKS_RESOURCE_GROUP --name $ORDERER_AKS_NAME --subscription $ORDERER_AKS_SUBSCRIPTION -o json | jq .addonProfiles.httpApplicationRouting.config.HTTPApplicationRoutingZoneName | tr -d '"')
 ORDERER_END_POINT="orderer1.$ORDERER_DNS_ZONE:443"
 CHANNEL_NAME=<channelName>