chore: rm issue body about v4

[li-jia-nan]

中文版模板 / Chinese template

🤔 This is a ...

• New feature
• Bug fix
• Site / documentation update
• Demo update
• Component style update
• TypeScript definition update
• Bundle size optimization
• Performance optimization
• Enhancement feature
• Internationalization
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Workflow
• Other (about what?)

🔗 Related issue link

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	chore: rm issue body about v4
🇨🇳 Chinese	chore: rm issue body about v4

☑️ Self-Check before Merge

⚠️ Please check all items below before requesting a reviewing. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[stackblitz]

Run & review this pull request in StackBlitz Codeflow.

[github-actions]

👁 Visual Regression Report for PR #48637 Passed ✅

🎯 Target branch: master (c8bd145)
📖 View Full Report ↗︎

🎊 Congrats! No visual-regression diff found.

[github-actions]

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	336.98 KB
./dist/antd-with-locales.min.js	384.66 KB

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (c8bd145) to head (3dc3bc6).

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #48637   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          745       745           
  Lines        12946     12946           
  Branches      3382      3382           
=========================================
  Hits         12946     12946           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[afc163]

先不移除。