Which feature was removed from the dataset due to low variance (minimal difference between mean, min, 25%…

Which feature was removed from the dataset due to low variance (minimal difference between mean, min, 25%…: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - winequality-red.csv