Sahara: Remove workaround to purge default vhost config
Sahara: Remove workaround to purge default vhost config

... because now the file should be purged by the apache class.

Depends-on: https://review.opendev.org/824124
Change-Id: I4b6d580362e92286d2a0fd13e1841295c4fea1e7

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration