Enable Safety Checker for SD15

hi

@renyuxi

considering SD15 model, I'd recommend enabling the Safety filter.
Congrats for the amazing work!

app.py

@@ -45,8 +45,7 @@ if not path.exists(cache_path):
     os.makedirs(cache_path, exist_ok=True)
 
 controlnet = ControlNetModel.from_pretrained("lllyasviel/sd-controlnet-scribble", torch_dtype=torch.float16, use_safetensors=True)
-pipe = StableDiffusionControlNetPipeline.from_pretrained("runwayml/stable-diffusion-v1-5", controlnet=controlnet, torch_dtype=torch.float16, safety_checker=None, 
-                                                         variant="fp16")
+pipe = StableDiffusionControlNetPipeline.from_pretrained("runwayml/stable-diffusion-v1-5", controlnet=controlnet, torch_dtype=torch.float16, variant="fp16")
 pipe.load_lora_weights("ByteDance/Hyper-SD", weight_name="Hyper-SD15-1step-lora.safetensors", adapter_name="default")
 pipe.to("cuda")
 pipe.scheduler = TCDScheduler.from_config(pipe.scheduler.config, timestep_spacing ="trailing")