chore: remove travis.yml

.travis.yml

@@ -1,22 +0,0 @@
-language: node_js
-sudo: required
-addons:
-  chrome: stable
-node_js:
-  - 10
-os: linux
-cache:
-  yarn: true
-branches:
-  only:
-    - master
-    - dev
-install:
-  - |
-    yarn install
-script:
-  - |
-    npm run lint && npm run test
-after_success:
-  - |
-    cat ./test/coverage/lcov.info | ./node_modules/.bin/codecov