chore: rm copilot4pr (#46095)

.github/PULL_REQUEST_TEMPLATE.md

@@ -61,18 +61,3 @@ Describe changes from the user side, and list all potential break changes or oth
 - [ ] Demo is updated/provided or not needed
 - [ ] TypeScript definition is updated/provided or not needed
 - [ ] Changelog is provided or not needed
-
----
-
-<!--
-Below are template for copilot to generate CR message.
-Please DO NOT modify it.
--->
-
-### 🚀 Summary
-
-copilot:summary
-
-### 🔍 Walkthrough
-
-copilot:walkthrough

.github/PULL_REQUEST_TEMPLATE/pr_cn.md

@@ -61,17 +61,3 @@
 - [ ] 代码演示已提供或无须提供
 - [ ] TypeScript 定义已补充或无须补充
 - [ ] Changelog 已提供或无须提供
-
----
-
-<!--
-以下为 copilot 自动生成的 CR 结果，请勿修改
--->
-
-### 🚀 概述
-
-copilot:summary
-
-### 🔍 实现细节
-
-copilot:walkthrough