removed POC code

Signed-off-by: Pat O'Connor <[email protected]>

Author: chipspeak

src/codeflare_sdk/ray/cluster/cluster.py

@@ -27,8 +27,6 @@
 import uuid
 import warnings
 
-from ..job.job import RayJobSpec
-
 from ...common.kubernetes_cluster.auth import (
     config_check,
     get_api_client,