docs(icon): fix installation instructions

src/icon/icon.en-US.md

@@ -1,8 +1,8 @@
 :: BASE_DOC ::
 
-### Install tdesign-icons-vue-next
+### Install tdesign-icons-vue
 
-Icons are published and managed as a separate npm package. If you want to use it directly in your project, please install `tdesign-icons-vue-next`. At the same time, `tdesign-vue-next` also includes icons and supports direct use through `t-icon`.
+Icons are published and managed as a separate npm package. If you want to use it directly in your project, please install `tdesign-icons-vue`. At the same time, `tdesign-vue` also includes icons and supports direct use through `t-icon`.
 
 ### Import on-demand
 
@@ -50,7 +50,7 @@ If you need to select icons in your project, please use `Select` to implement an
 
 #### How to get all the names of icons？
 
-You can get all the name of icon by import manifest from the bundle `import { manifest } from 'tdesign-icons-vue-next'`
+You can get all the name of icon by import manifest from the bundle `import { manifest } from 'tdesign-icons-vue'`
 
 #### the usage of full import needs network. What if my project is in a no-network scenario?
 

src/icon/icon.md

@@ -55,7 +55,7 @@ TDesign 支持通过使用 Iconfont 图标，使用时需要单独引入 Iconfon
 
 #### 如何获取全部图标的名称列表？
 
-可以通过`import { manifest } from 'tdesign-icons-vue-next'` 获取全部图标的名称列表。
+可以通过`import { manifest } from 'tdesign-icons-vue'` 获取全部图标的名称列表。
 
 ### t-icon、iconfont和icon使用时都会发起网络请求，我的项目是无网络场景，如何使用？