Remove personal Cloudron builder references from documentation

Cleaned up build commands to use standard `cloudron build` without
personal builder service references or tokens.

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

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

DEPLOYMENT.md

@@ -38,13 +38,10 @@ The Docmost Cloudron package has been successfully created with all required com
 ### Build Commands
 ```bash
 # Build
-cloudron build --set-build-service builder.docker.due.ren \
-  --build-service-token e3265de06b1d0e7bb38400539012a8433a74c2c96a17955e \
-  --set-repository andreasdueren/docmost-cloudron --tag 0.1.8
+cloudron build
 
 # Install
-cloudron install --location docmost.due.ren \
-  --image andreasdueren/docmost-cloudron:0.1.8
+cloudron install --location docmost
 ```
 
 ## Next Steps 🎯