Set default value to EXTRA_FORMULAS

Change-Id: Ie479d28679ed46e24c472d2ef11cf14f0944e9f8
diff --git a/jenkins/client/job/deploy/lab/deploy.yml b/jenkins/client/job/deploy/lab/deploy.yml
index b6bbc71..6aecadb 100644
--- a/jenkins/client/job/deploy/lab/deploy.yml
+++ b/jenkins/client/job/deploy/lab/deploy.yml
@@ -100,7 +100,7 @@
                 description: "Formulas revision to install on Salt Master bootstrap stage"
               EXTRA_FORMULAS:
                 type: string
-                default: "maas memcached ntp nginx collectd sensu heka sphinx mysql grafana libvirt rsyslog glusterfs postfix xtrabackup freeipa prometheus telegraf elasticsearch kibana rundeck devops-portal rsync docker keepalived aptly jenkins gerrit artifactory influxdb horizon ceph"
+                default: ""
               STATIC_MGMT_NETWORK:
                   type: boolean
                   default: 'false'