[Feat] allow using aclgraph in ray backend

Signed-off-by: withHades <244036962@qq.com>

Author: WithHades

vllm_ascend/platform.py

@@ -171,12 +171,6 @@ def check_and_update_config(cls, vllm_config: VllmConfig) -> None:
             )
             compilation_config.cudagraph_mode = CUDAGraphMode.NONE
 
-        if parallel_config.distributed_executor_backend == "ray":
-            logger.warning(
-                "Ray distributed executor backend is not compatible with ACL Graph mode "
-                "right now. Setting CUDAGraphMode to NONE")
-            compilation_config.cudagraph_mode = CUDAGraphMode.NONE
-
         # set cudaprah sizes before extending `compilation_config.splitting_ops`
         vllm_config._set_cudagraph_sizes()