Fix Rubinius build.

Author: dblock

.travis.yml

@@ -1,16 +1,17 @@
+sudo: false
+
 language: ruby
 
 cache: bundler
 
 rvm:
   - ruby-head
   - 2.1.2
-  - 2.1.0
   - 2.0.0
   - 1.9.3
   - jruby-19mode
   - jruby-head
-  - rbx-2
+  - rbx-2.2.10
 
 matrix:
   allow_failures:

Gemfile

@@ -14,9 +14,3 @@ group :development, :test do
   gem 'rack-test', "~> 0.6.2", :require => "rack/test"
   gem 'rubocop', '0.21.0'
 end
-
-platforms :rbx do
-  gem 'rubysl', '~> 2.0'
-  gem 'parser', '~> 2.1'
-  gem 'racc', '~> 1.4'
-end