types: remove duplicate marked() overload

[hn250424]

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Markdown flavor: Markdown.pl|CommonMark|GitHub Flavored Markdown|n/a

Description

• Fixes #### (if fixing a known issue; otherwise, describe issue using the following format)

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[gemini-code-assist]

Summary of Changes

Hello @hn250424, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on refining the TypeScript type definitions for the marked function. It removes a redundant overload signature, thereby improving the clarity and conciseness of the type declarations without introducing any behavioral changes or altering existing type contracts.

Highlights

• Type Definition Refinement: Removed a duplicate marked() function overload signature in src/marked.ts that specified async: true and returned a Promise<string>, as this was already implicitly covered by other overloads.

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[gemini-code-assist]

Code Review

This pull request removes a duplicate function overload for marked in src/marked.ts. This change is a good code cleanup, as the removed overload was redundant with another one defined earlier in the file. This improves code maintainability by removing dead code and avoids potential confusion for developers or tools analyzing the types. The change is correct and has no impact on runtime behavior or type safety. I approve of this change.

[UziTech]

This is not duplicate