Remove npm upgrade from .travis.yml
Remove npm upgrade from .travis.yml

getsentry/raven-js,getsentry/raven-node,getsentry/raven-js,miguelb/raven-node,getsentry/raven-js,BuildingConnected/raven-node,miguelb/raven-node,getsentry/raven-js,getsentry/raven-node