Add node 8.8.0, remove node 8.8.0
Add node 8.8.0, remove node 8.8.0

source url: https://nodejs.org/dist/v8.8.0/node-v8.8.0.tar.gz
source sha256: 669e0054a25c7f21e6d8bef182da566de35fb3b3441e8f90b6da9585c1f82caf

cloudfoundry/nodejs-buildpack,cloudfoundry/nodejs-buildpack,cloudfoundry/nodejs-buildpack,cloudfoundry/nodejs-buildpack