[JS] Disable JS system-integration-tests
[JS] Disable JS system-integration-tests

* JS system-integration-tests have to be disabled since there currently
  is no pure JS SMRF implementation for browser environment which is
  required to communicate with global discovery and between consumer
  and provider.

Change-Id: Ide7bdc9b6617046e244012208fc8bd2ee7cbaf51

bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,clive-jevons/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr