Add quota-delete command to cinder client

Add the command quota-delete <tenant_id> to the client.

This change depends on the cinder change:
Ia040a20abb831c311eb13624ddecbbf0f12fdd9f

DocImpact

Implements blueprint quota-delete
Change-Id: I1e5c98154dc3c6de168747eb912b45265cd1b9db