renamed K1 group to K1Nodes

Former-commit-id: 98915f0b

CICD/heat/gc_HOT.yaml

@@ -267,7 +267,7 @@ resources:
        list_join: [ '-', [ { get_param: "OS::stack_name" }, 'gpudesktopu%index%' ]]
       security_groups: [ default, { get_param: SSHMonashSecGroupID }, { get_param: SlurmSecGroupID }, { get_param: NFSSecGroupID } ]
       metadata:
-       ansible_host_groups: [ DesktopNodes, GPU, ComputeNodes, K1, VisNodes ]
+       ansible_host_groups: [ DesktopNodes, GPU, ComputeNodes, K1Nodes, VisNodes ]
        ansible_ssh_user: ubuntu
        project_name: { get_param: project_name }
       networks: