docs(README): remove unless section (DevCloudFE#52)

Author: TinsFox

README.md

@@ -1,7 +1,4 @@
 <p align="center">
-<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
-<!-- ALL-CONTRIBUTORS-BADGE:END -->
  <a href="https://devui.design/home" target="_blank" rel="noopener noreferrer">
  <img alt="DevUI Logo" src="https://github.com/DevCloudFE/vue-devui/raw/dev/packages/devui-vue/public/logo.svg" width="180" style="max-width:100%;">
  </a>