remove node 4

jeremydaly · jeremydaly · commit ee1ce57baacf · 2018-03-15T13:03:29.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,4 +4,3 @@ node_js:
   - "8"
   - "7"
   - "6"
-  - "4"

-Original file line number
+Diff line change
   - "8"
   - "7"
   - "6"
 -  - "4"