docs: remove ci badge

Author: phphe

README.md

@@ -1,6 +1,6 @@
 <p align="center"><img src="https://github.com/phphe/he-tree-react/blob/static/cover.jpg?raw=true" width="350" alt="react draggable tree, he-tree-react" /></p>
 
-# he-tree-react ![GitHub License](https://img.shields.io/github/license/phphe/he-tree-react) ![NPM Version](https://img.shields.io/npm/v/he-tree-react) ![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/phphe/he-tree-react/build.yml) ![NPM Type Definitions](https://img.shields.io/npm/types/he-tree-react) ![npm bundle size](https://img.shields.io/bundlephobia/minzip/he-tree-react)
+# he-tree-react ![GitHub License](https://img.shields.io/github/license/phphe/he-tree-react) ![NPM Version](https://img.shields.io/npm/v/he-tree-react) ![NPM Type Definitions](https://img.shields.io/npm/types/he-tree-react) ![npm bundle size](https://img.shields.io/bundlephobia/minzip/he-tree-react)
 
 React draggable sortable tree component. [Document](https://he-tree-react.phphe.com), [demo](https://he-tree-react.phphe.com/v1/examples).