Fix RuboCop configuration due to fallout from `stdlib` bump
Fix RuboCop configuration due to fallout from `stdlib` bump

RuboCop searches for all `.rubocop.yml` inside the cwd, also
the (broken) one from `puppetlabs-stdlib` which has deprecated rules
and requires extra gems that aren't used by this module.

willdurand/puppet-nodejs,willdurand/puppet-nodejs