Removing the Coupon Code from Checkout MP 2.9.6.2

Hi,
How can i remove the Coupon Code completly from the shopping cart/ checkout page on MarketPress? See screenshot - http://take.ms/ks7Ys

Domain - http://tinyurl.com/ofotmsj

Support access is ACTIVE until September 12, 2015 11:45 pm

Thanks

Tom