[Feat] allow using aclgraph in ray backend (#2589)

### What this PR does / why we need it?

Allow using aclgraph in ray backend, for tp + pp + aclgraph in multi
machine

### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

- vLLM version: v0.10.1.1
- vLLM main:
4ba0c587ba

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

vllm_ascend/platform.py

@@ -185,12 +185,6 @@ class NPUPlatform(Platform):
                     "and use_cached_kv_cache_bytes in torchair_graph_config.")
                 delete_torchair_cache_file()
 
-        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()