.travis.yml in fluent-plugin-mysql-query-0.2.3 vs .travis.yml in fluent-plugin-mysql-query-0.3.0

@@ -1,7 +1,6 @@
 language: ruby
 
 rvm:
+  - 2.1
   - 2.0.0
   - 1.9.3
-  - rbx-19mode
-