Merge pull request rack#76 from greysteil/clean-up-travis

Clean up travis.yml

Author: ktheory

.travis.yml

@@ -1,11 +1,7 @@
 language: ruby
-# Temporary workaround for minitest 4.7.5 installation error on ruby 2.1.0
-before_install:
-  - gem install bundler -v '>= 1.5.1'
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.1
   - 2.1.2
   - jruby-19mode