refactor: remove unused header, update benchmarks in `math/base/special/croundf`

[gunjjoshi]

Description

What is the purpose of this pull request?

This pull request:

• removes unused math.h header in math/base/special/croundf.
• updates C benchmarks to follow latest conventions.

Related Issues

Does this pull request have any related issues?

None.

Questions

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No.

Other

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No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• [x] Read, understood, and followed the contributing guidelines.

• • *

@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/croundf	$\color{green}219/219$ $\color{green}+100.00\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}219/219$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.

[Planeshifter]

/stdlib help

[stdlib-bot]

@Planeshifter, available slash commands include:

• /stdlib check-files - Check for required files.
• /stdlib update-copyright-years - Update copyright header years.
• /stdlib lint-autofix - Auto-fix lint errors.
• /stdlib merge - Merge changes from develop branch into this PR.
• /stdlib rebase - Rebase this PR on top of develop branch.

[stdlib-bot]

PR Commit Message

refactor: remove unused header, update benchmarks in `math/base/special/croundf`

PR-URL: https://github.com/stdlib-js/stdlib/pull/3217

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Please review the above commit message and make any necessary adjustments.