ci: updating Chrome config

Author: jarrodek

.travis.yml

@@ -2,11 +2,7 @@ language: node_js
 node_js: stable
 sudo: required
 addons:
-  apt:
-    sources:
-    - google-chrome
-    packages:
-    - google-chrome-stable
+  chrome: stable
 script:
 - npm test
 - if [ "${TRAVIS_PULL_REQUEST}" = "false" ]; then npm run test:sl; fi