remove unused urls

Author: aojunhao123

README.md

@@ -11,8 +11,6 @@ React Tooltip
 
 [npm-image]: http://img.shields.io/npm/v/@rc-component/tooltip.svg?style=flat-square
 [npm-url]: http://npmjs.org/package/@rc-component/tooltip
-[travis-image]: https://img.shields.io/travis/react-component/tooltip/master?style=flat-square
-[travis-url]: https://travis-ci.com/react-component/tooltip
 [github-actions-image]: https://github.com/react-component/tooltip/actions/workflows/react-component-ci.yml/badge.svg
 [github-actions-url]: https://github.com/react-component/tooltip/actions/workflows/react-component-ci.yml
 [codecov-image]: https://img.shields.io/codecov/c/github/react-component/tooltip/master.svg?style=flat-square