Remove unicode from code in api-ref conf
Remove unicode from code in api-ref conf

In python 3, all strings are considered as unicode string.

This patch drops the explicit unicode literal (u'...')
or (u"..") appearances from the unicode strings.

Change-Id: Ia3daf3f63ddfe0a6494ecb02413d495743ca0d3d

openstack/sahara,openstack/sahara