Build: Stop testing on Node 4 & 9

Node.js 4 & 9 have reached end-of-life. <https://github.com/nodejs/Release> Closes #1288.
qunitjs · Jun 17, 2018 · c9a7df3 · c9a7df3
1 parent 0736a4c
commit c9a7df3
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,10 +1,8 @@
 sudo: false
 language: node_js
 node_js:
-  - "4"
   - "6"
   - "8"
-  - "9"
   - "10"
 env:
   - NPM_SCRIPT=test