fix comment

Signed-off-by: David Chen <530634352@qq.com>

Author: david6666666

docs/user_guide/diffusion_acceleration.md

@@ -49,7 +49,6 @@ The following table shows which models are currently supported by each accelerat
 | **Qwen-Image-Layered** | `Qwen/Qwen-Image-Layered` | ❌ | ✅ | ✅ | ✅ | ✅ |
 | **Z-Image** | `Tongyi-MAI/Z-Image-Turbo` | ❌ | ✅ |❌ | ❌ | ❌ |
 | **Stable-Diffusion3.5** | `stabilityai/stable-diffusion-3.5` | ❌ | ✅ | ❌ | ❌ | ❌ |
-| **FLUX.2-klein** | `black-forest-labs/FLUX.2-klein-4B`, `black-forest-labs/FLUX.2-klein-9B` | ❌ | ✅ | ❌ | ❌ | ❌ |
 
 ### VideoGen