chore(ci): switch back to nodejs 8 version

Neonox31 · Neonox31 · commit 26646175559b · 2018-11-06T09:16:05.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
 sudo: false
 node_js:
-- 'lts/*'
+- '8'
 install:
 - yarn
 cache:
