Refactor emacs configuration and clean up lab-tool project

- Reorganized emacs configuration with profiles in modules/development/emacs.nix
- Updated machine configurations to use new emacs module structure
- Cleaned up lab-tool project by removing archive, research, testing, and utils directories
- Streamlined lab-tool to focus on core deployment functionality with deploy-rs
- Added DEVELOPMENT.md documentation for lab-tool

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

Co-Authored-By: Claude <noreply@anthropic.com>

modules/users/geir.nix

@@ -95,8 +95,6 @@ in {
       celluloid
       ytmdesktop
 
-      # Emacs Integration
-      emacsPackages.vterm
       # Gaming
       steam
       # Desktop integration (moved from system)