Update README.md

README.md

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 # rc-resize-observer
 
-[![NPM version][npm-image]][npm-url] [![dumi](https://img.shields.io/badge/docs%20by-dumi-blue?style=flat-square)](https://github.com/umijs/dumi) [![build status][github-actions-image]][github-actions-url] [![Codecov][codecov-image]][codecov-url] [![david deps][david-image]][david-url] [![david devDeps][david-dev-image]][david-dev-url] [![npm download][download-image]][download-url]
+[![NPM version][npm-image]][npm-url] [![dumi](https://img.shields.io/badge/docs%20by-dumi-blue?style=flat-square)](https://github.com/umijs/dumi) [![build status][github-actions-image]][github-actions-url] [![Codecov][codecov-image]][codecov-url] [![npm download][download-image]][download-url]
 
 [npm-image]: http://img.shields.io/npm/v/rc-resize-observer.svg?style=flat-square
 [npm-url]: http://npmjs.org/package/rc-resize-observer
 [github-actions-image]: https://github.com/react-component/resize-observer/workflows/CI/badge.svg
 [github-actions-url]: https://github.com/react-component/resize-observer/actions
 [codecov-image]: https://img.shields.io/codecov/c/github/react-component/resize-observer/master.svg?style=flat-square
 [codecov-url]: https://codecov.io/gh/react-component/resize-observer/branch/master
-[david-image]: https://david-dm.org/react-component/resize-observer/status.svg?style=flat-square
-[david-dev-url]: https://david-dm.org/react-component/resize-observer?type=dev
-[david-dev-image]: https://david-dm.org/react-component/resize-observer/dev-status.svg?style=flat-square
-[david-url]: https://david-dm.org/react-component/resize-observer
 [download-image]: https://img.shields.io/npm/dm/rc-resize-observer.svg?style=flat-square
 [download-url]: https://npmjs.org/package/rc-resize-observer