Updated openstack/openstack
Project: openstack/nova  2d524f5e055c1797da8900ca137ed82d82496123

VMware: Remove class orphaned by ESX driver removal

HostState was only used by the ESX driver, which was removed in
change I718fc0ee67dbd625af00c20fa4e34b8a35015437.

Also remove LOG, which is no longer used following previous removals.

Change-Id: I22e30c01e5b5219df858219dc1fda335a83ad225