At some point, common code for this project
originated in the oslo_incubator project; and
we performed a final sync of this code in 2014 [1].
However, this sync'ed code was unused; so lets
delete this code and consolidate common code for
ease of use.
[1] https://review.opendev.org/c/openstack/python-manilaclient/+/98088
Change-Id: Ifd9c7516aab8e3c2d017a1ce421d2e65e76d5640
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>