remove sam model due to error

app.py

@@ -17,7 +17,7 @@ MODEL_OPTIONS = {
     "isnet-general-use": "A new pre-trained model for general use cases",
     "isnet-anime": "High-accuracy segmentation for anime characters",
     "silueta": "A reduced-size version of u2net (43MB)",
-    "sam_prompt": "A pre-trained model for any use case (Segment Anything Model)",
+    # "sam_prompt": "A pre-trained model for any use case (Segment Anything Model)", # remove sam model
     "unet": "Lightweight version of u2net model",
     "u2netp": "A lightweight version of u2net model",
     "u2net_human_seg": "A pre-trained model for human segmentation",