/* Hide quantity column completely */
.woocommerce-cart-form__contents th.product-quantity,
.woocommerce-cart-form__contents td.product-quantity{
  display:none !important;
}

/* Ensure table layout stays clean */
.woocommerce-cart-form__contents th,
.woocommerce-cart-form__contents td{
  vertical-align: middle;
}