.travis.yml in patron-0.13.1 vs .travis.yml in patron-0.13.3

@@ -6,9 +6,5 @@
 - 2.4.1
 - 2.5.0
 sudo: false
 dist: trusty
 cache: bundler
-install:
-  - gem update --system 2.6.12  # https://github.com/rubygems/rubygems/issues/2024
-  - gem install bundler
-  - "bundle install --verbose --jobs=3 --retry=3 --path=${BUNDLE_PATH:-vendor/bundle}"