.travis.yml in devise-2.2.3 vs .travis.yml in devise-2.2.4

@@ -2,21 +2,14 @@
 script: "bundle exec rake test"
 rvm:
   - 1.8.7
   - 1.9.2
   - 1.9.3
-  - ree
 env:
   - DEVISE_ORM=mongoid
   - DEVISE_ORM=active_record
 matrix:
   exclude:
-    - rvm: ree
-      env: DEVISE_ORM=mongoid
-      gemfile: Gemfile
-    - rvm: ree
-      env: DEVISE_ORM=mongoid
-      gemfile: gemfiles/Gemfile.rails-3.1.x
     - rvm: 1.8.7
       env: DEVISE_ORM=mongoid
       gemfile: Gemfile
     - rvm: 1.8.7
       env: DEVISE_ORM=mongoid