.travis.yml in rdiff-simple-0.0.4 vs .travis.yml in rdiff-simple-0.0.5

@@ -1,7 +1,6 @@
 language: ruby
-before_install:
-  - gem update --system
+bundler_args: --without development
 rvm:
   - 1.8.7
   - 1.9.2
   - 1.9.3
   - 2.0.0