refactor(divider): remove unnecessary judgments

[coding-ice]

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
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• Other (about what?)

🔗 Related issue link

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	remove unnecessary judgments
🇨🇳 Chinese	删除没必要的条件判断

☑️ 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

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[github-actions]

[github-actions]

👁 Visual Regression Report for PR #49169 Passed ✅

🎯 Target branch: master (ea1927c)
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🎊 Congrats! No visual-regression diff found.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (9d13485) to head (b90c857).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##            master    #49169    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          745       745            
  Lines        13353     12973   -380     
  Branches      3542      3400   -142     
==========================================
- Hits         13353     12973   -380     

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