Refactor app.py to remove unnecessary flag in script command

app.py

@@ -7,7 +7,7 @@ import os
 
 def inference(img):
     name_tag = uuid.uuid4()
-    script_command = f"python yolov9/detect_dual.py --source {img} --save_txt True --img 640 --device cpu --weights yolov9/runs/train/exp2/weights/best.pt --name {name_tag}"
+    script_command = f"python yolov9/detect_dual.py --source {img} --img 640 --device cpu --weights yolov9/runs/train/exp2/weights/best.pt --name {name_tag}"
     os.system(script_command)
     return f"yolov9/runs/detect/{name_tag}/{img.split('/')[-1]}"