Advised for all Franchisees to remove the 100% Cash button, not advised for any to remove the 100% Card. Some remove the Cash, some remove both, their individual decision of course.
Enter one or both of these lines (depending on their request) in the Custom CSS on the bottom of the Settings > Config on any one POS of theirs, then Save...instantly applied to all Registers.
button[data-testid~="full-cash-payment-button"] { display: none; }button[data-testid~="full-card-payment-button"] { display: none; }