[1/N] Remove CacheConfig import in all model files (#1658)

python/sglang/srt/models/mixtral.py

@@ -21,7 +21,6 @@ from typing import Iterable, Optional, Tuple
 import torch
 from torch import nn
 from transformers import MixtralConfig
-from vllm.config import CacheConfig
 from vllm.distributed import get_tensor_model_parallel_world_size
 from vllm.model_executor.layers.fused_moe import FusedMoE
 from vllm.model_executor.layers.rotary_embedding import get_rope
@@ -293,7 +292,7 @@ class MixtralForCausalLM(nn.Module):
         self,
         config: MixtralConfig,
         quant_config: Optional[QuantizationConfig] = None,
-        cache_config: Optional[CacheConfig] = None,
+        cache_config=None,
     ) -> None:
         super().__init__()
         self.config = config