Remove duplicate node. Remove unsupported node v7.

paulmillr · web-flow · commit 96ac3ba914bb · 2019-04-01T04:53:16.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,8 +6,6 @@ os:
 language: node_js
 node_js:
   - node
-  - '11'
   - '10'
   - '8'
-  - '7'
   - '6'
