code: def delete_style(name):
      if name == "":
          return
  
      shared.prompt_styles.styles.pop(name, None)
      shared.prompt_styles.save_styles(shared.styles_filename)
  
      return "", "", ""
  
file_path: stable-diffusion-webui/modules/ui_prompt_styles.py
imports: import gradio
  from modules import shared, ui_common, ui_components, styles
label_desc: Use image node_id 3 for calling a global function with example usage: delete_style(name) and returns: str,  str,  str