docs: def delete_keypair(kwargs=None, call=None):
      '''
      Delete an SSH keypair
      '''
      if call != 'function':
          log.error(
              'The delete_keypair function must be called with -f or --function.'
          )
          return False
  
      if not kwargs:
          kwargs = {}
  
      if 'keyname' not in kwargs:
          log.error('A keyname is required.')
          return False
  
      params = {'Action': 'DeleteKeyPair',
                'KeyName': kwargs['keyname']}
  
      data = aws.query(params,
                       return_url=True,
                       location=get_location(),
                       provider=get_provider(),
                       opts=__opts__,
                       sigver='4')
      return data