ci(travis): remove travis extra node versions

satotake · satotake · commit b95dc45f0a4c · 2019-06-22T20:05:51.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,9 +6,6 @@ notifications:
   email: false
 node_js:
   - '10'
-  - '11'
-  - '8'
-  - '6'
 script:
   - npm run test:prod && npm run build
 after_success:
