Update app.py

fixed non supported 3x mode presence - removed it for now

app.py

@@ -301,7 +301,7 @@ def create_interface():
     upscaler = CPUUpscaler()
     
     def process_image(input_img, scale_factor):
-        scale_map = {"2x": 2, "3x": 3, "4x": 4}
+        scale_map = {"2x": 2, "4x": 4}
         scale = scale_map[scale_factor]
         
         output_img, metrics = upscaler.upscale(input_img, scale)
@@ -319,7 +319,7 @@ def create_interface():
             with gr.Column(scale=1):
                 input_img = gr.Image(label="Input Image", type="pil")
                 scale_factor = gr.Radio(
-                    ["2x", "3x", "4x"], 
+                    ["2x", "4x"], 
                     value="2x", 
                     label="Scale Factor"
                 )