Remove two usages of cppFn()

[Jarred-Sumner]

What does this PR do?

• Documentation or TypeScript types (it's okay to leave the rest blank in this case)
• Code changes

How did you verify your code works?

[robobun]

^{Updated 9:25 PM PT - Feb 11th, 2025}

❌ @Jarred-Sumner, your commit 00fa421 has 4 failures in Build #11491:

• test/js/bun/http/serve-body-leak.test.ts - 5 failing on 🐧 3.20 x64
• test/js/bun/s3/s3.test.ts - 1 failing on 🐧 20.04 x64
• test/cli/install/bun-install-patch.test.ts - attempt to unwrap error: nospaceleft on 🪟 2019 x64
• test/cli/create/create-jsx.test.ts - 2 failing on 🪟 2019 x64-baseline
• test/cli/create/create-jsx.test.ts - 2 failing on 🪟 2019 x64
• test/cli/create/create-jsx.test.ts - 2 failing on 🍎 14 aarch64
• test/cli/create/create-jsx.test.ts - 2 failing on 🍎 13 aarch64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 12 aarch64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 24.04 aarch64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 22.04 aarch64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 20.04 aarch64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 3.20 aarch64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 24.04 x64-baseline
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 22.04 x64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 24.04 x64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 12 x64-baseline
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 20.04 x64-baseline
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 20.04 x64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 12 x64
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 22.04 x64-baseline
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 3.20 x64-baseline
• test/cli/create/create-jsx.test.ts - 2 failing on 🐧 3.20 x64
• test/cli/create/create-jsx.test.ts - 2 failing on 🍎 13 x64
• test/cli/create/create-jsx.test.ts - 2 failing on 🍎 14 x64

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🧪   try this PR locally:

bunx bun-pr 17278