cloudstack/plugins/network-elements/cisco-vnmc/scripts/network/cisco/delete-acl-rule.xml

<configConfMos
  cookie="%cookie%"
  inHierarchical="false">
  <inConfigs>

    <pair key="%aclruledn%">
      <policyRule
        descr=""
        dn="%aclruledn%"
        name="%aclrulename%"
        order="300"
        status="deleted"/>
    </pair>

  </inConfigs>
</configConfMos>