chore: remove outdated fork and upstream sync section from CLAUDE.md

- Deleted the section detailing the repository's fork and upstream sync process, as it is no longer relevant.

CLAUDE.md

@@ -173,38 +173,3 @@ All routes in `src/app/api/`:
 
 - The .planning directory is untracked, do not attempt to commit any changes to the files in this directory.
 
-## Deployment & Git Workflow
-
-### Vercel Deployment
-
-Production URL: https://node-banana-nilas-projects-2f16eb79.vercel.app
-
-The app is deployed on Vercel from the `etailup/node-banana` fork. Pushes to `master` trigger automatic deployments.
-
-Environment variables required in Vercel dashboard:
-- `GEMINI_API_KEY`
-- `OPENAI_API_KEY` (optional)
-- `KIE_API_KEY` (optional, for Kie.ai models)
-
-### Fork + Upstream Sync
-
-This repo is a fork that tracks the original upstream:
-
-| Remote | Repository | Purpose |
-|--------|------------|---------|
-| origin | `etailup/node-banana` | Your fork (push here, deploys to Vercel) |
-| upstream | `shrimbly/node-banana` | Original source (pull updates from here) |
-
-**Pull updates from original while keeping your modifications:**
-
-```bash
-git fetch upstream
-git merge upstream/master
-# Resolve conflicts if any
-git push origin master
-```
-
-**Check remotes:**
-```bash
-git remote -v
-```