Fix travis

.travis.yml

@@ -3,10 +3,6 @@ language: node_js
 node_js:
   - "9"
 
-before_install:
-  - cp ./server/config.example.js ./server/config.js
-  - cp ./client/config.example.js ./client/config.js
-
 script:
   - yarn run lint:nofix
   - yarn test