Remove unused env var that's blocking the quickstart

[skosijer]

📋 Pull Request Summary

• Remove unused env var that's blocking the quickstart

[gemini-code-assist]

Summary of Changes

Hello @skosijer, 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!

I've made a targeted change to resolve an issue that was blocking the quickstart process. This involved identifying and removing an unused environment variable that was causing friction. The modification ensures that the project's setup is cleaner and that new users can get started without encountering unnecessary configuration hurdles.

Highlights

• Environment Variable Cleanup: I've removed the NEXT_PUBLIC_TUNNEL_FORWARDING_URL environment variable from both the .env.example file and the app/env/client.ts configuration.
• Quickstart Fix: This change directly addresses and resolves an issue where the presence of this unused variable was preventing the quickstart process from completing successfully.

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[gemini-code-assist]

Code Review

This pull request addresses an issue blocking the quickstart by removing the unused environment variable NEXT_PUBLIC_TUNNEL_FORWARDING_URL. The changes are straightforward, removing the variable from the example environment file and the environment validation schema. This correctly eliminates the startup error caused by the missing but required variable. The changes are clean and I found no issues with the implementation.