Update deploying.md

Removed uv, directly call uvicorn.

Author: bet0x

docs/concepts/deploying.md

@@ -112,7 +112,7 @@ app = create_app(None, "config.py")
 And then we invoke the wrapper:
 
 ```bash
-CMD uv run uvicorn app_wrapper:app --host 0.0.0.0 --port 8000
+CMD uvicorn app_wrapper:app --host 0.0.0.0 --port 8000
 ```
 
 This line starts the Guardrails API Flask application with a gunicorn WSGI server. It specifies what port to bind the server to, as well as the timeout for workers and the maximum number of worker threads for handling requests.