ci(travis): use xenial (#341)

chimurai · web-flow · commit 0347c43f684f · 2019-05-31T22:01:22.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,13 +1,11 @@
+dist: xenial
 sudo: false
 language: node_js
 node_js:
 - 'stable'
 - '10'
 - '8'
 - '6'
-before_install:
-  - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.15.2
-  - export PATH=$HOME/.yarn/bin:$PATH
 cache: yarn
 stages:
   - lint
