Move gate-storyboard-js-integration to experimental
Move gate-storyboard-js-integration to experimental

Currently this job fails and noone is available to fix it.
This patch removes its non-voting rule as well as moves it to the
experimental queue for storyboard and storyboard-webclient.

Change-Id: Ie672634b10378ff15a77cbe0d9fa91d9112cb7a5

dongwenjuan/project-config,Tesora/tesora-project-config,dongwenjuan/project-config,Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config