### What this PR does / why we need it?
when ops torchair_fused_experts_with_mc2 is called, we need pass a tp
group, but now it only pass when quantized scenario, we need also pass
it when unquantized.
- vLLM version: v0.11.0rc3
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0
Signed-off-by: zouyida2052 <zouyida2002@gmail.com>