Remove no longer supported node version.

sjudson · sjudson · commit 1c3f4eb386f9 · 2020-03-21T17:15:36.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,4 +4,3 @@ node_js:
   - "12"
   - "11"
   - "10"
-  - "8"

-Original file line number
+Diff line change
   - "12"
   - "11"
   - "10"
 -  - "8"