[vsphere] refactor platform spec for zonal installs

ci-operator/step-registry/ipi/conf/vsphere/zones/ipi-conf-vsphere-zones-commands.sh

@@ -57,81 +57,34 @@ platform:
     datacenter: "${vsphere_datacenter}"
     cluster: vcs-mdcnc-workload-1
     defaultDatastore: workload_share_vcsmdcncworkload_Yfyf6
-    vcenters:
-    - server: "${vsphere_url}"
-      user: "${GOVC_USERNAME}"
-      password: ${GOVC_PASSWORD}
-      datacenters:
-      - IBMCloud
-      - datacenter-2
-    deploymentZones:
-    - name: us-east-1
-      server: "${vsphere_url}"
-      failureDomain: us-east-1
-    - name: us-east-2
-      server: "${vsphere_url}"
-      failureDomain: us-east-2
-    - name: us-east-3
-      server: "${vsphere_url}"
-      failureDomain: us-east-3
-    - name: us-west-1
-      server: "${vsphere_url}"
-      failureDomain: us-west-1
     failureDomains:
     - name: us-east-1
-      region:
-        name: us-east
-        type: Datacenter
-        tagCategory: openshift-region
-      zone:
-        name: us-east-1a
-        type: ComputeCluster
-        tagCategory: openshift-zone
+      region: us-east
+      zone: us-east-1a
       topology:
-        datacenter: "${vsphere_datacenter}"
         computeCluster: /${vsphere_datacenter}/host/vcs-mdcnc-workload-1
         networks:
         - ${LEASED_RESOURCE}
         datastore: workload_share_vcsmdcncworkload_Yfyf6
     - name: us-east-2
-      region:
-        name: us-east
-        type: Datacenter
-        tagCategory: openshift-region
-      zone:
-        name: us-east-2a
-        type: ComputeCluster
-        tagCategory: openshift-zone
+      region: us-east
+      zone: us-east-2a
       topology:
-        datacenter: "${vsphere_datacenter}"
         computeCluster: /${vsphere_datacenter}/host/vcs-mdcnc-workload-2
         networks:
         - ${LEASED_RESOURCE}
         datastore: workload_share_vcsmdcncworkload2_vyC6a
     - name: us-east-3
-      region:
-        name: us-east
-        type: Datacenter
-        tagCategory: openshift-region
-      zone:
-        name: us-east-3a
-        type: ComputeCluster
-        tagCategory: openshift-zone
+      region: us-east
+      zone: us-east-3a
       topology:
-        datacenter: "${vsphere_datacenter}"
         computeCluster: /${vsphere_datacenter}/host/vcs-mdcnc-workload-3
         networks:
         - ${LEASED_RESOURCE}
         datastore: workload_share_vcsmdcncworkload3_joYiR
     - name: us-west-1
-      region:
-        name: us-west
-        type: Datacenter
-        tagCategory: openshift-region
-      zone:
-        name: us-west-1a
-        type: ComputeCluster
-        tagCategory: openshift-zone
+      region: us-west
+      zone: us-west-1a
       topology:
         datacenter: datacenter-2
         computeCluster: /datacenter-2/host/vcs-mdcnc-workload-4