cleanup useless torchair logic (#4856)

This PR clean up useless torchair logic in model runner. The moge doc is
only for torchair, it can be removed as well.

- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>
Co-authored-by: Mengqing Cao <cmq0113@163.com>

vllm_ascend/platform.py

@@ -26,7 +26,7 @@ from vllm.platforms import Platform, PlatformEnum
 # todo: please remove it when solve cuda hard code in vllm
 os.environ["VLLM_DISABLE_SHARED_EXPERTS_STREAM"] = "1"
 
-from vllm_ascend.ascend_config import check_ascend_config, init_ascend_config
+from vllm_ascend.ascend_config import init_ascend_config
 from vllm_ascend.utils import refresh_block_size
 
 # isort: off
@@ -181,7 +181,6 @@ class NPUPlatform(Platform):
         else:
             enforce_eager = getattr(model_config, "enforce_eager", False)
 
-        check_ascend_config(vllm_config, enforce_eager)
         from vllm.config.compilation import CUDAGraphMode
         if enforce_eager:
             logger.info("Compilation disabled, using eager mode by default")