[Doc] Refine the document. (#403)

Signed-off-by: Alicia <115451386+congw729@users.noreply.github.com>

docs/user_guide/examples/offline_inference/image_to_image.md

@@ -16,7 +16,6 @@ python image_edit.py \
   --output output_image_edit.png \
   --num_inference_steps 50 \
   --cfg_scale 4.0 \
-  --guidance_scale 1.0
 ```
 
 ### Multiple Image Editing (Qwen-Image-Edit-2509)
@@ -26,7 +25,7 @@ For multiple image inputs, use `Qwen/Qwen-Image-Edit-2509` or later version:
 ```bash
 python image_edit.py \
   --model Qwen/Qwen-Image-Edit-2509 \
-  --image img1.png img2.png img3.png \
+  --image img1.png img2.png \
   --prompt "Combine these images into a single scene" \
   --output output_image_edit.png \
   --num_inference_steps 50 \

docs/user_guide/examples/offline_inference/qwen2_5_omni.md

@@ -3,10 +3,6 @@
 Source <https://github.com/vllm-project/vllm-omni/tree/main/examples/offline_inference/qwen2_5_omni>.
 
 
-## 🛠️ Installation
-
-Please refer to [README.md](https://github.com/vllm-project/vllm-omni/tree/main/README.md)
-
 ## Run examples (Qwen2.5-Omni)
 
 ### Multiple Prompts

docs/user_guide/examples/offline_inference/qwen3_omni.md

@@ -3,10 +3,6 @@
 Source <https://github.com/vllm-project/vllm-omni/tree/main/examples/offline_inference/qwen3_omni>.
 
 
-## 🛠️ Installation
-
-Please refer to [README.md](https://github.com/vllm-project/vllm-omni/tree/main/README.md)
-
 ## Run examples (Qwen3-Omni)
 
 ### Multiple Prompts