Remove Node.js v4 from Travis

caiogondim · caiogondim · commit 555c7e51b948 · 2017-01-26T12:00:11.000-02:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,6 @@ language: node_js
 
 node_js:
   - 6
-  - 4
 
 cache:
   directories:
