Drop Node v5

bkrem · bkrem · commit e282585e7a72 · 2018-01-17T18:47:36.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,6 @@ node_js:
   - 8
   - 7
   - 6
-  - 5
 
 before_install: yarn global add greenkeeper-lockfile@1
 before_script: greenkeeper-lockfile-update
