Remove unused enable_pacemaker setting from templates
Remove unused enable_pacemaker setting from templates

Use of Pacemaker is governed by the resource registry since
change Ibefb80d0d8f98404133e4c31cf078d729b64dac3

Change-Id: I2f1fa8d6d28ae009940be2c2c530066197aa543b

bcrochet/tripleo-heat-templates,openstack/tripleo-heat-templates,rdo-management/tripleo-heat-templates,openstack/tripleo-heat-templates,bcrochet/tripleo-heat-templates,bcrochet/tripleo-heat-templates,wyg3958/tripleo-heat-templates,dprince/tripleo-heat-templates,trozet/tripleo-heat-templates,rdo-management/tripleo-heat-templates,trozet/opnfv-tht,trozet/tripleo-heat-templates,trozet/opnfv-tht,wyg3958/tripleo-heat-templates,dprince/tripleo-heat-templates,trozet/opnfv-tht