Remove all scribble bird stuff

public-apps/sd_controlnet.livemd

@@ -70,53 +70,6 @@ serving =
   )
 ```
 
-```elixir
-Kino.Text.new("Scribble Bird")
-livebook_dir = Path.absname(__DIR__)
-
-bird_file_input =
-  Kino.Input.text("Bird file path", default: livebook_dir <> "/scribble_bird.png")
-```
-
-```elixir
-bird_file = Kino.Input.read(bird_file_input)
-
-bird_image = StbImage.read_file!(bird_file) |> StbImage.to_nx()
-
-bird_image_tensor =
-  bird_image
-  |> Nx.reshape({512, 512, 3})
-  |> NxImage.to_continuous(0, 1)
-
-Kino.Image.new(bird_image)
-```
-
-```elixir
-bird_prompt = "a bird, high quality, detailed"
-bird_negative_prompt = "ugly, low quality, blurry"
-
-Kino.Layout.grid([
-  Kino.Text.new("prompt: " <> bird_prompt),
-  Kino.Text.new("negative prompt:" <> bird_negative_prompt)
-])
-```
-
-```elixir
-Kino.Text.new("Generate image ...")
-
-output =
-  Nx.Serving.run(serving, %{
-    prompt: bird_prompt,
-    negative_prompt: bird_negative_prompt,
-    controlnet_conditioning: bird_image_tensor
-  })
-
-for result <- output.results do
-  Kino.Image.new(result.image)
-end
-|> Kino.Layout.grid(columns: 2)
-```
-
 ## Your own input
 
 ```elixir