gate-storyboard-js-integration: Use ubuntu-trusty

Change job to run on ubuntu-trusty instead of bare-trusty.

Change-Id: I3f286175b0619a723de47a1529367bb1f05ff4a4

jenkins/jobs/storyboard.yaml

@@ -20,16 +20,19 @@
 
 - job:
     name: gate-storyboard-js-integration
+    node: ubuntu-trusty
+
     wrappers:
       - build-timeout:
           timeout: 40
       - timestamps
 
     builders:
+      - gerrit-git-prep
+      - install-distro-packages
       - npm-install
       - xvfb-install
       - chrome-install
-      - gerrit-git-prep
       - shell: |
           #!/bin/bash -xe
           /usr/zuul-env/bin/zuul-cloner --cache-dir /opt/git git://git.openstack.org openstack-infra/storyboard openstack-infra/storyboard-webclient
@@ -60,4 +63,3 @@
               source: 'reports/**'
               keep-hierarchy: true
               copy-after-failure: true
-    node: bare-trusty