travis: drop node 4 and 5

jscissr · jscissr · commit f9268e162219 · 2016-08-11T15:05:04.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,5 @@
 language: node_js
 node_js:
-  - 4
-  - 5
   - stable
 
 before_install:
