Delete _navbar.md

docs/_navbar.md

-* [介绍](README.md)
-* [框架](collocation/pages.md)
-* [组件](component/README.md)
-* [API](api/README.md)
-* [uniCloud](uniCloud/README.md)
-* [其它规范](http://www.html5plus.org/doc/h5p.html)
-  - [App扩展规范HTML5 Plus](http://www.html5plus.org/doc/h5p.html)
-  - [微信小程序](https://developers.weixin.qq.com/miniprogram/dev/framework/)
-  - [支付宝小程序](https://docs.alipay.com/mini/developer/getting-started)
-  - [百度小程序](https://smartprogram.baidu.com/docs/develop/tutorial/codedir/)
-  - [字节跳动小程序](https://developer.toutiao.com/dev/cn/mini-app/develop/component/introduction/basic-component)
-  - [飞书小程序](https://open.feishu.cn/document/uYjL24iN/uUDNzUjL1QzM14SN0MTN)
-  - [钉钉小程序](https://developers.dingtalk.com/document/app/introduction-to-dingtalk-mini-programs)
-  - [QQ小程序](https://q.qq.com/wiki/develop/miniprogram/frame/)
-  - [快手小程序](https://mp.kuaishou.com/docs/develop/frame/config/conf_appjson.html)
-  - [京东小程序](https://mp-docs.jd.com/framework/)
-  - [华为快应用](https://developer.huawei.com/consumer/cn/doc/development/quickApp-References/webview-component-view)
-  - [360小程序](https://mp.360.cn/doc/miniprogram/dev/#/view)
-  - [Weex](http://doc.weex.io/zh/guide/introduction.html)
-
-<ul class="nav-href">
-	<li class="ext-link"><a href="//ext.dcloud.net.cn/" target="__blank">插件市场</a></li>
-	<li><a id="link-to-wish" href="javascript:void(0);">需求墙</a></li>
-	<li><a href="//dev.dcloud.net.cn/sponsor/?channel=uniapp" target="__blank" style="color:#FF6600!important;"><img src="https://bjetxgzv.cdn.bspapp.com/VKCEYUGU-uni-app-doc/45e691f0-4f3d-11eb-b680-7980c8a877b8.png" class="heart">赞助我们</a></li>
-</ul>
-
-<div class="github">
-	<a href="//github.com/dcloudio/uni-app" target="_blank">
-		<img src="https://bjetxgzv.cdn.bspapp.com/VKCEYUGU-uni-app-doc/44f8d690-4f3d-11eb-b680-7980c8a877b8.svg">
-	</a>
-</div>