Remove Travis

.travis.yml

@@ -1,25 +0,0 @@
-dist: trusty
-language: node_js
-node_js:
-  - 10
-  - lts/*
-  - node
-before_install:
-  - npm i -g npm
-before_script:
-  - yarn danger ci
-  - "export DISPLAY=:99.0"
-  - "export ELECTRON_DISABLE_SANDBOX=1"
-  - "sh -e /etc/init.d/xvfb start"
-  - sleep 5
-script:
-  - npm run test:prettier
-  - npm run test:js
-  - npm run test:css
-  - npm run test:e2e
-  - npm run test:unit
-after_script:
-  - npm list
-cache:
-  directories:
-    - node_modules