Remove article section from launch_gradio_demo Interface (#728)

src/smolagents/tools.py

@@ -633,7 +633,7 @@ def launch_gradio_demo(tool: Tool):
     `inputs` and `output_type`.
 
     Args:
-        tool (`type`): The tool for which to launch the demo.
+        tool (`Tool`): The tool for which to launch the demo.
     """
     try:
         import gradio as gr
@@ -667,7 +667,6 @@ def tool_forward(*args, **kwargs):
         inputs=gradio_inputs,
         outputs=gradio_output,
         title=tool.name,
-        article=tool.description,
         description=tool.description,
         api_name=tool.name,
     ).launch()