Remove unused Makefile (#271)

## Summary
- Removed the unused Makefile that contained outdated pod trunk push
commands

## Test plan
- [x] Verified the Makefile is not referenced anywhere in the codebase
- [x] No build scripts or CI workflows depend on this file

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <noreply@anthropic.com>

Author: muukii