fix(clusterclass): update NutanixMachineTemplate in clusterclass

Author: thunderboltsid

charts/cluster-api-runtime-extensions-nutanix/defaultclusterclasses/nutanix-cluster-class.yaml

@@ -304,16 +304,10 @@ spec:
   template:
     spec:
       bootType: legacy
-      cluster:
-        name: ""
-        type: name
       image:
         name: ""
         type: name
       memorySize: 4Gi
-      subnet:
-      - name: ""
-        type: name
       systemDiskSize: 40Gi
       vcpuSockets: 2
       vcpusPerSocket: 1
@@ -328,16 +322,10 @@ spec:
   template:
     spec:
       bootType: legacy
-      cluster:
-        name: ""
-        type: name
       image:
         name: ""
         type: name
       memorySize: 4Gi
-      subnet:
-      - name: ""
-        type: name
       systemDiskSize: 40Gi
       vcpuSockets: 2
       vcpusPerSocket: 1