'Delete a Virtual Private Cloud.
:type vpc_id: str
:param vpc_id: The ID of the vpc to be deleted.
:type dry_run: bool
:param dry_run: Set to True if the operation should not actually run.
:rtype: bool
:return: True if successful'

def delete_vpc(self, vpc_id, dry_run=False):

    params = {'VpcId': vpc_id}
    if dry_run:
        params['DryRun'] = 'true'
    return self.get_status('DeleteVpc', params)
