docs: Update tree-shaking documentation (#39847)

* Update getting-started.zh-CN.md

* Update getting-started.en-US.md

* Update introduce.zh-CN.md

* Update introduce.en-US.md

docs/react/getting-started.en-US.md

@@ -112,14 +112,6 @@ Jest does not support `esm` modules, and Ant Design uses them. In order to test
 
 `antd` supports tree shaking of ES modules, so using `import { Button } from 'antd';` would drop js code you didn't use.
 
-If you see logs like in the screenshot below, you might still be using `webpack@1.x` or have a wrong webpack config which can't support tree shaking.
-
-```
-You are using a whole package of antd, please use https://www.npmjs.com/package/babel-plugin-import to reduce app bundle size. Please upgrade webpack or check the config.
-```
-
-> ![console warning](https://zos.alipayobjects.com/rmsportal/GHIRszVcmjccgZRakJDQ.png)
-
 ## Customize your Workflow
 
 If you want to customize your workflow, we recommend using [webpack](http://webpack.github.io/) to build and debug code. You can try out plenty of [boilerplates](https://github.com/enaqx/awesome-react#react-tools) available in the React ecosystem.

docs/react/getting-started.zh-CN.md

@@ -102,15 +102,7 @@ render(<App />, document.getElementById('root'));
 
 ## 按需加载
 
-`antd` 默认支持基于 ES modules 的 tree shaking，对于 js 部分，直接引入 `import { Button } from 'antd'` 就会有按需加载的效果。
-
-如果你在开发环境的控制台看到下面的提示，那么你可能还在使用 `webpack@1.x` 或者 tree shaking 失效，请升级或检查相关配置。
-
-```
-You are using a whole package of antd, please use https://www.npmjs.com/package/babel-plugin-import to reduce app bundle size.
-```
-
-![控制台警告](https://zos.alipayobjects.com/rmsportal/GHIRszVcmjccgZRakJDQ.png)
+`antd` 默认支持基于 ES modules 的 tree shaking，直接引入 `import { Button } from 'antd';` 就会有按需加载的效果。
 
 ## 自行构建
 

docs/react/introduce.en-US.md

@@ -94,7 +94,7 @@ export default App;
 
 ### Use modularized antd
 
-`antd` supports ES modules tree shaking by default for JS part.
+`antd` supports ES modules tree shaking by default.
 
 ### TypeScript
 

docs/react/introduce.zh-CN.md

@@ -94,7 +94,7 @@ export default App;
 
 ### 按需加载
 
-`antd` 的 JS 代码默认支持基于 ES modules 的 tree shaking。
+`antd` 默认支持基于 ES modules 的 tree shaking。
 
 ### TypeScript