Move Deemix MCP to standalone repository

platform/operator/athena_operatord.py

@@ -44,7 +44,7 @@ STAGING_ROOTS = tuple(
     Path(value).resolve()
     for value in os.environ.get(
         "ATHENA_OPERATOR_STAGING_ROOTS",
-        "/data/mike-ai-operator/staging:/data/hermes/deemix-mcp-build",
+        "/data/mike-ai-operator/staging",
     ).split(":")
     if value
 )