.travis.yml in mongoid-history-0.2.4 vs .travis.yml in mongoid-history-0.3.0

@@ -1,10 +1,4 @@
 language: ruby
 rvm:
-  - 1.9.2
   - 1.9.3
-  - 1.9.3
-  - ruby-head
-  - jruby
-  - rbx
-  - ree