Move Deemix MCP to standalone repository

platform/mcp/sync-clients.py

@@ -138,7 +138,7 @@ def update_openwebui(db: pathlib.Path, items: list[dict]) -> None:
         raise SystemExit("Unexpected OpenWebUI tool_server.connections format")
     managed_ids = {
         "athena-platform", "athena-operator-local", "web-general-local", "github-local",
-        "homeassistant-local", "arr-local", "navidrome-local", "deemix-local", "mua",
+        "homeassistant-local", "arr-local", "navidrome-local", "mua",
         "mua-readonly-local", "athena-terminal-local", "unraid-readonly-local", "web-local",
     }
     keep = [entry for entry in old if str((entry.get("info") or {}).get("id", "")) not in managed_ids]