remove travis

.travis.yml

@@ -1,21 +0,0 @@
-language: node_js
-node_js:
-  - "14"
-branches:
-  only:
-    - main
-cache:
-  directories:
-    - node_modules
-script:
-  - npm run lint
-  - npm run build
-deploy:
-  provider: pages
-  skip_cleanup: true
-  local_dir: out
-  token: $GITHUB_TOKEN
-  target_branch: gh-pages
-  keep_history: true
-  on:
-    branch: main