docs: remove unuseful ThemeToken about CryptoInput component

[MarioJames]

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由于不在使用 ConfigProvider 实现样式覆盖，删除 CryptoInput 组件中无用的主体变量模块

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Name	Status	Preview	Comments	Updated (UTC)
ant-design-web3	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 19, 2024 7:31am

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Latest commit: efceba0

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (3ab04d9) to head (efceba0).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #983   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files          720       720           
  Lines        22209     22209           
  Branches      1287      1287           
=========================================
  Hits         22209     22209           

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