Remove glare from glance
Remove glare from glance

glare has been removed from glance already. Now error will be raised
if enable g-glare in local.conf.

Remove the glare support by glance.

Change-Id: I9a389af194dd2b8aed75d3c921293d800f8c591b

noironetworks/devstack,richliu/devstack,nawawi/openstack,dtroyer/devstack,dtroyer/devstack,group-policy/devstack,noironetworks/devstack,richliu/devstack,openstack-dev/devstack,nawawi/openstack,openstack-dev/devstack,group-policy/devstack