ehashman: Remove deprecated node-perf-dash

JobBuild
2434
07-30 17:50
pull-k8sio-cip 1421166178381860864
pull-k8sio-groups-test 1421198315113943040 1421192479851417600 1421166178419609600
pull-k8sio-verify 1421198315147497472 1421192479905943552 1421166178440581120