perf: remove passive event polyfill

[chenjiahan]

[codecov-commenter]

Codecov Report

Merging #9590 (e00f2dd) into dev (7aba794) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              dev    #9590      +/-   ##
==========================================
+ Coverage   89.80%   89.82%   +0.01%     
==========================================
  Files         220      220              
  Lines        5561     5560       -1     
  Branches     1381     1380       -1     
==========================================
  Hits         4994     4994              
  Misses        322      322              
+ Partials      245      244       -1     

Impacted Files	Coverage Δ
packages/vant/src/composables/use-lock-scroll.ts	83.33% <100.00%> (+2.25%)	⬆️

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