'Delete a placement group from your account.
:type key_name: string
:param key_name: The name of the keypair to delete
:type dry_run: bool
:param dry_run: Set to True if the operation should not actually run.'

def delete_placement_group(self, name, dry_run=False):

    params = {'GroupName': name}
    if dry_run:
        params['DryRun'] = 'true'
    return self.get_status('DeletePlacementGroup', params, verb='POST')
