nodejs: remove --production from yarn install due to reported issues
nodejs: remove --production from yarn install due to reported issues

The issue in question is https://github.com/yarnpkg/yarn/issues/1462
Until it's solved it's best to install unnecessary dev packages than
to fail during deploy.

tsuru/platforms,tsuru/platforms,lucasts/platforms,lucasts/platforms,lucasts/platforms,tsuru/platforms,tsuru/platforms