Fix mistral sliding window parsing (#33521)

Signed-off-by: Andy Lo <andy@mistral.ai>

vllm/transformers_utils/config.py

@@ -225,19 +225,6 @@ class MistralConfigParser(ConfigParserBase):
 
         config = adapt_config_dict(config_dict, defaults=hf_config_dict)
 
-        # Mistral configs may define sliding_window as list[int]. Convert it
-        # to int and add the layer_types list[str] to make it HF compatible
-        if (sliding_window := getattr(config, "sliding_window", None)) and isinstance(
-            sliding_window, list
-        ):
-            pattern_repeats = config.num_hidden_layers // len(sliding_window)
-            layer_types = sliding_window * pattern_repeats
-            config.layer_types = [
-                "full_attention" if layer_type is None else "sliding_attention"
-                for layer_type in layer_types
-            ]
-            config.sliding_window = next(filter(None, sliding_window), None)
-
         return config_dict, config