Disable novnc service for dsvm-heat-apache job
Disable novnc service for dsvm-heat-apache job

Enabling novnc installs python-oslo.messaging 1.3.0-0ubuntu1.5
on trusty, which defaults to kombu driver and does not work.

Change-Id: I6b238457e4842bff2159664efbf253377a8ea998
Related-Bug: #1652752

openstack-infra/project-config,openstack-infra/project-config