Remove unneeded functions

app.py

@@ -16,15 +16,6 @@ from fromage import utils
 BASE_WIDTH = 512
 MODEL_DIR = './fromage_model/fromage_vis4'
 
-def upload_image(file):
-    return Image.open(file)
-
-def upload_button_config():
-    return gr.update(visible=False)
-
-def upload_textbox_config(text_in):
-    return gr.update(visible=True)
-
 
 class ChatBotCheese:
     def __init__(self):