'The DeleteReplicationGroup operation deletes an existing
replication group. DeleteReplicationGroup deletes the primary
cache cluster and all of the read replicas in the replication
group. When you receive a successful response from this
operation, Amazon ElastiCache immediately begins deleting the
entire replication group; you cannot cancel or revert this
operation.
:type replication_group_id: string
:param replication_group_id: The identifier for the replication group
to be deleted. This parameter is not case sensitive.'

def delete_replication_group(self, replication_group_id):

    params = {'ReplicationGroupId': replication_group_id}
    return self._make_request(action='DeleteReplicationGroup', verb='POST', path='/', params=params)
