chore(travis): Remove now default 'sudo: false'.
chore(travis): Remove now default 'sudo: false'.

'sudo: false' is now default on Travis CI.

nickgonzales/hyper,Keats/hyper,Twey/hyper,hyperium/hyper,yazaddaruvala/hyper,markuskobler/hyper,yazaddaruvala/hyper,hyperium/hyper,hannobraun/hyper,hyperium/hyper,softprops/hyper,Twey/hyper,markuskobler/hyper,Twey/hyper,hannobraun/hyper,Keats/hyper,golddranks/hyper,golddranks/hyper,golddranks/hyper,markuskobler/hyper,hannobraun/hyper,nickgonzales/hyper,tshepang/hyper,tshepang/hyper,nickgonzales/hyper,tshepang/hyper,Keats/hyper