Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  James Myers:
     /v2/jobs/:guid requires cloud_controller.read scope ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/33634016 )
Revert "Bump src/cloud_controller_ng"

This reverts commit 62849330cdf4b4844a27a064ce93a264eb671f78.