.travis.yml in estella-2.0.0 vs .travis.yml in estella-5.0.0

- old
+ new
@@ -4,17 +4,15 @@
 
 before_script:
   - bundle exec danger
 
 env:
-  - ELASTICSEARCH=https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/deb/elasticsearch/2.4.5/elasticsearch-2.4.5.deb
-  - ELASTICSEARCH=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-1.7.6.deb
+  - ELASTICSEARCH=https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.16.deb
 
 before_install:
   - gem update --system
   - gem update bundler
   - curl -O $ELASTICSEARCH && sudo dpkg -i --force-confnew elasticsearch-*.deb
-  - "echo 'script.inline: on' | sudo tee -a /etc/elasticsearch/elasticsearch.yml"
   - sudo /etc/init.d/elasticsearch start
   - until curl --silent -XGET --fail http://localhost:9200; do printf '.'; sleep 1; done
 
 rvm:
   - 2.3.1