🧹 Remove commented-out IP address extraction code in Finance web service

[ManupaKDU]

🎯 What: Removed commented-out code attempting to get the IP address (X-FORWARDED-FOR or RemoteAddr) in getBill, getBillItem, and getBillItemByCategory endpoints in Finance.java.

💡 Why: Commented-out code causes clutter and confusion. History is preserved in version control. Removing it improves code readability and maintainability.

✅ Verification: Verified changes by building the project and running all existing unit tests via mvn clean test. Tests passed, confirming no functionality was broken.

✨ Result: A cleaner, more maintainable Finance web service class without dead code.

---

PR created automatically by Jules for task 11452324642133146248 started by @manupawickramasinghe

[google-labs-jules]

👋 Jules, reporting for duty! I'm here to lend a hand with this pull request.

When you start a review, I'll add a 👀 emoji to each comment to let you know I've read it. I'll focus on feedback directed at me and will do my best to stay out of conversations between you and other bots or reviewers to keep the noise down.

I'll push a commit with your requested changes shortly after. Please note there might be a delay between these steps, but rest assured I'm on the job!

For more direct control, you can switch me to Reactive Mode. When this mode is on, I will only act on comments where you specifically mention me with @jules. You can find this option in the Pull Request section of your global Jules UI settings. You can always switch back!

New to Jules? Learn more at jules.google/docs.

---

For security, I will only act on instructions from the user who triggered this task.