fix typos

app.py

@@ -250,7 +250,7 @@ checkpoint = torch.load('best_model.pth', map_location=device)
 model.load_state_dict(checkpoint['model_state_dict'])
 model.eval()
 
-print(f"✅ Model loaded successfully! Using device: {device}")
+print(f"Model loaded successfully! Using device: {device}")
 
 # ==========================================
 # 4. Prediction Function
@@ -292,7 +292,7 @@ demo = gr.Interface(
     fn=predict_captcha,
     inputs=gr.Image(type="pil", label="Upload CAPTCHA Image"),
     outputs=gr.JSON(label="Prediction Results"),
-    title="🔐 CAPTCHA Recognition System",
+    title="CAPTCHA Recognition System",
     description="""
     **CS4243 Mini Project - CAPTCHA Recognition using CRNN + CTC Loss**