drop node 4 from appveyer too

ef4 · ef4 · commit fa98b8e24062 · 2018-08-25T10:54:52.000-04:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -4,7 +4,6 @@
 environment:
   MOCHA_REPORTER: "mocha-appveyor-reporter"
   matrix:
-    - nodejs_version: "4"
     - nodejs_version: "6"
     - nodejs_version: "8"
 
