delete some code

src/models/qwen2_5vl/generate.rs

@@ -49,7 +49,7 @@ impl<'a> Qwen2_5VLGenerateModel<'a> {
         let vb = unsafe { VarBuilder::from_mmaped_safetensors(&model_list, dtype, device)? };
         let qwen2_5_vl = Qwen2_5VLModel::new(cfg, vb)?;
         let model_name = std::path::Path::new(path)
-            .file_name() 
+            .file_name()
             .and_then(|s| s.to_str())
             .unwrap_or("qwen2.5vl")
             .to_string();