chore: remove useless code

[shaodahong]

Fixes ant-design/ant-design#28818

[vercel]

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[codecov]

Codecov Report

Merging #161 (9571a38) into master (7c2d956) will increase coverage by 0.36%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #161      +/-   ##
==========================================
+ Coverage   68.44%   68.81%   +0.36%     
==========================================
  Files           3        3              
  Lines         393      388       -5     
  Branches      160      157       -3     
==========================================
- Hits          269      267       -2     
+ Misses        124      121       -3     

Impacted Files	Coverage Δ
src/DrawerChild.tsx	64.18% <100.00%> (+0.42%)	⬆️

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