Revert "Disable karborclient until a fixed version is released"
Revert "Disable karborclient until a fixed version is released"

Fixed karborclient has been released. The problem only exists
in karborclient 0.4.0 and the current version is 0.6.0.

This reverts commit 99a502b203235a62c4ec478df81246cec39a0b7b.

Change-Id: Ie28fa1e0502792c87e68ab1c009b3349c739892b

openstack/python-openstackclient,openstack/python-openstackclient,dtroyer/python-openstackclient,dtroyer/python-openstackclient