.travis.yml in stub_shell-0.0.1 vs .travis.yml in stub_shell-0.0.2

@@ -1,8 +1,7 @@
 rvm:
   - 1.8.7
   - 1.9.2
   - 1.9.3
-  - rbx-2.0
   - jruby
   - ruby-head
   - ree