[CI] Fix Travis config

nicolasleger · web-flow · commit 014f91b99f6b · 2018-03-04T21:05:00.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,6 @@
 language: ruby
 sudo: false
 cache: bundler
-before_install: "gem update bundler"
 script: "bundle exec rake ci"
 rvm:
   - 2.0.0
