Remove `stage-0` from dependencies on example (#2656)
Remove `stage-0` from dependencies on example (#2656)

This PR removes `babel-preset-stage-0` from the dependencies list, that was missing on #1959.
zeit/next.js,azukaru/next.js,flybayer/next.js,JeromeFitz/next.js,arunoda/next.js,BlancheXu/test,zeit/next.js,callumlocke/next.js,kpdecker/next.js,BlancheXu/test,JeromeFitz/next.js,azukaru/next.js,flybayer/next.js,flybayer/next.js,azukaru/next.js,giacomorebonato/next.js,flybayer/next.js,zeit/next.js,nelak/next.js,JeromeFitz/next.js,BlancheXu/test,JeromeFitz/next.js,azukaru/next.js