docs: def deactivate_license(key_name=None):
      '''
      Deactivates an installed license.
      Required version 7.0.0 or greater.
  
      key_name(str): The file name of the license key installed.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' panos.deactivate_license key_name=License_File_Name.key
  
      '''
  
      _required_version = '7.0.0'
      if not __proxy__['panos.is_required_version'](_required_version):
          return False, 'The panos device requires version {0} or greater for this command.'.format(_required_version)
  
      if not key_name:
          return False, 'You must specify a key_name.'
      else:
          query = {'type': 'op', 'cmd': '<request><license><deactivate><key><features><member>{0}</member></features>'
                                        '</key></deactivate></license></request>'.format(key_name)}
  
      return __proxy__['panos.call'](query)