.travis.yml in faat-0.1.5 vs .travis.yml in faat-0.1.6

@@ -3,10 +3,9 @@
   - 2.0.0
   - 2.1.2
   - 2.2.0
   - 2.2.4
   - 2.3.0
-  - ruby-head
 script:
   - bundle exec rake
 deploy:
   provider: rubygems
   api_key: