Move Deemix MCP to standalone repository

platform/mcphub/mcp-settings.example.json

@@ -20,18 +20,6 @@
       ],
       "enabled": true
     },
-    "deemix": {
-      "type": "stdio",
-      "command": "/usr/local/bin/run-with-env",
-      "args": [
-        "/run/secrets/mcphub/deemix.env",
-        "--",
-        "python3",
-        "/opt/casaderoll/mcps/deemix_mcp.py"
-      ],
-      "env": {"MCP_TRANSPORT": "stdio"},
-      "enabled": true
-    },
     "navidrome": {
       "type": "stdio",
       "command": "/usr/local/bin/run-with-env",