.travis.yml in vnstat-ruby-1.0.4 vs .travis.yml in vnstat-ruby-1.0.5

@@ -2,10 +2,9 @@
 rvm:
  - '1.9.3'
  - '2.0.0'
  - '2.1.7'
  - '2.2.3'
- - ruby-head
  - jruby
  - jruby-head
  - rbx-2
 script: bundle exec rspec
 addons: