Remove vllm dependency in model config (#2809)

python/sglang/srt/models/chatglm.py

@@ -23,8 +23,8 @@ from torch import nn
 from torch.nn import LayerNorm
 from vllm.distributed import get_tensor_model_parallel_world_size
 from vllm.model_executor.layers.rotary_embedding import get_rope
-from vllm.transformers_utils.configs import ChatGLMConfig
 
+from sglang.srt.configs import ChatGLMConfig
 from sglang.srt.layers.activation import SiluAndMul
 from sglang.srt.layers.layernorm import RMSNorm
 from sglang.srt.layers.linear import (