removing undefined as a gpu option in dcos.  it is being deprecated in marathon and metronome
removing undefined as a gpu option in dcos.  it is being deprecated in marathon and metronome

dcos/dcos,mesosphere-mergebot/mergebot-test-dcos,mesosphere-mergebot/dcos,dcos/dcos,kensipe/dcos,GoelDeepak/dcos,mesosphere-mergebot/dcos,kensipe/dcos,GoelDeepak/dcos,dcos/dcos,mesosphere-mergebot/dcos,kensipe/dcos,mesosphere-mergebot/dcos,kensipe/dcos,mesosphere-mergebot/mergebot-test-dcos,GoelDeepak/dcos,GoelDeepak/dcos,dcos/dcos,dcos/dcos,mesosphere-mergebot/mergebot-test-dcos,mesosphere-mergebot/mergebot-test-dcos