feat(deepseek-mla):: 精简 fused RMS-RoPE concat 可用性判断

vllm/model_executor/layers/attention/mla_attention.py

@@ -2216,17 +2216,8 @@ class MLACommonImpl(MLACommonBaseImpl[M], Generic[M]):
             if kv_cache_dtype_str not in ("fp16", "bf16"):
                 use_fused_rms_rope_concat = False
 
-        fused_inputs_provided = (
-            q_ori is not None
-            or key_normed is not None
-            or positions is not None
-            or weight is not None
-            or cos_sin_cache is not None
-            or epsilon is not None
-        )
         if (
             envs.VLLM_USE_LIGHTOP_RMS_ROPE_CONCAT
-            and fused_inputs_provided
             and not use_fused_rms_rope_concat
         ):
             raise RuntimeError(