Delete makefile

[Jarred-Sumner]

What does this PR do?

How did you verify your code works?

[robobun]

^{Updated 2:06 PM PT - Aug 14th, 2025}

❌ @autofix-ci[bot], your commit 078cca1 has 3 failures in Build #22942:

• test/js/node/test/parallel/test-worker-memory.js - code 1 on 🍎 13 aarch64
• test/js/node/test/parallel/test-child-process-spawnsync-shell.js - timeout on 🪟 2019 x64
• test/js/node/test/parallel/test-child-process-spawnsync-shell.js - timeout on 🪟 2019 x64-baseline
• test/js/bun/shell/pipeline_stack.test.ts - 1 failing on 🪟 2019 x64
• test/js/bun/shell/pipeline_stack.test.ts - 1 failing on 🪟 2019 x64-baseline

---

🧪   To try this PR locally:

bunx bun-pr 21863

That installs a local version of the PR into your bun-21863 executable, so you can run:

bun-21863 --bun