remove supports_structured_output() in platform

Signed-off-by: shen-shanshan <467638484@qq.com>

Author: shen-shanshan

vllm_ascend/platform.py

@@ -162,7 +162,3 @@ def supports_v1(cls, model_config: ModelConfig) -> bool:
         model configuration.
         """
         return True
-
-    @classmethod
-    def supports_structured_output(cls) -> bool:
-        return True