Revert "doc: npm install RC version of eslint (fix #409)"
Revert "doc: npm install RC version of eslint (fix #409)"

This reverts commit 690984d7ea1b5c6c3bc587e391c9c1cfcb75e6e9.

JedWatson/happiness,LinusU/standard,SimenB/standard,JedWatson/happiness,standard/standard,SimenB/standard,LinusU/standard,standard/standard,feross/standard,jasonpincin/standard,feross/standard