Exclude "nodes" from worker args

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

Author: amaslenn

src/cloudai/workloads/ai_dynamo/kubernetes_json_gen_strategy.py

@@ -154,7 +154,7 @@ def _to_dynamo_arg(self, arg_name: str) -> str:
         return "--" + arg_name.replace("_", "-")
 
     def _dynamo_args_dict(self, model: WorkerBaseArgs) -> dict:
-        return model.model_dump(exclude={"num_nodes", "extra_args"}, exclude_none=True)
+        return model.model_dump(exclude={"num_nodes", "extra_args", "nodes"}, exclude_none=True)
 
     def _args_from_worker_config(self, worker: WorkerBaseArgs) -> list[str]:
         args = []