fix qwenvl

Author: wangzaijun

lightllm/models/qwen3_vl/infer_struct.py

@@ -5,7 +5,6 @@ class Qwen3VLInferStateInfo(Qwen2VLInferStateInfo):
     def __init__(self):
         super().__init__()
         self.input_ids = None
-        self.deepstack_features = []
         self.img_start_token_ids = None
         self.img_token_lens = None
         self.img_start_locs = None