Travis: disabled NodeJS 4

Slamdunk · Slamdunk · commit a903923a348b · 2017-02-16T14:05:57.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,6 @@ matrix:
         - npm run lint
         - npm test
     - node_js: "6"
-    - node_js: "4"
 cache:
   directories:
     - node_modules
