Remove Travis CI

.travis.yml

@@ -1,43 +0,0 @@
----
-dist: focal
-language: python
-
-services: docker
-
-env:
-  - playbook: nas.yml
-    distro: ubuntu2004
-    test_syntax: true
-    test_playbook: false
-    test_idempotence: false
-
-before_install:
-  - sudo apt-get -y install ansible
-
-install:
-  - sudo apt install ansible
-  - pip install ansible-lint
-  - pip install mkdocs
-  - pip install mkdocs-material
-
-script:
-  - ansible-lint ${PWD}/nas.yml -x 106,208
-  - ${PWD}/tests/test.sh
-  - mkdocs build
-
-deploy:
-  provider: pages
-  skip-cleanup: true
-  local-dir: site/
-  github-token: $GHPAGES
-  keep-history: true
-  on:
-    branch: master
-
-notifications:
-  webhooks:
-    urls:
-      - https://webhooks.gitter.im/e/bd52710d464f2b82036b
-    on_success: change
-    on_failure: always
-    on_start: never