perf(icon): remove Icon component global registration

CHANGELOG.zh_CN.md

+## Wip
+
+- **Icon** 移除 Icon 组件全局注册，防止特定情况下热更新问题
+
 ## 2.5.1(2021-06-26)
 
 ### ⚡ Performance Improvements

src/components/registerGlobComp.ts

 import type { App } from 'vue';
-import { Icon } from './Icon';
+// import { Icon } from './Icon';
 import { Button } from './Button';
 import {
   // Need
@@ -7,7 +7,7 @@ import {
   Input,
 } from 'ant-design-vue';
 
-const compList = [Icon, AntButton.Group];
+const compList = [AntButton.Group];
 
 export function registerGlobComp(app: App) {
   compList.forEach((comp) => {