Let Travis do the bundler

Author: ashawley

.travis.yml

@@ -5,16 +5,7 @@ language: ruby
 rvm:
   - 2.3.1
 
-# for faster builds
 cache: bundler
-env: BUNDLE_PATH=bundle-vendor/bundle
-
-# we must override install, or Travis's default Gemfile support
-# will kick in and use `vendor`, ignoring our BUNDLE_PATH
-# declaration in `.bundle/config`
-install:
-- bundle update jekyll
-- bundle install
 
 script:
 - bundle exec jekyll build 2> error.log