.travis.yml in graphql-batch-0.3.0 vs .travis.yml in graphql-batch-0.3.1

@@ -1,8 +1,5 @@
 language: ruby
 rvm:
   - 2.1
   - 2.2
-gemfile:
-  - Gemfile
-  - Gemfile.graphql13
 before_install: gem install bundler -v 1.13.3