removal of test emial sending service

Web/app.py

@@ -13759,6 +13759,7 @@ def upload_csv_batch():
         "images_failed": error_count
     }), 200
 
+"""
 @app.route('/test_email')
 def test_email():
     
@@ -13770,3 +13771,4 @@ def test_email():
         return "Test email sent successfully."
     except Exception as e:
         return f"Failed to send test email: {str(e)}", 500
+"""