Updated openstack/openstack
Project: openstack/nova  036046558f4eec2bf07494a732f8be1fc803f76a

objects: remove VirtPageSize from hardware.py

In part of the objectification of hardward.py, this change
remove VirtPageSize which only handle an integer.

Change-Id: I4a02da4741759623b73d98402bf22d28e9c943d3