How to add a simple buy now button instead of subscription page?

As the title suggests I would like to know how to get the plugin to output a simple buy now button instead of the subscription options. There is only one type of paid membership (non-subscription) on the site and adding another stage asking somebody to choose when there is only one choice doesn't make sense.

I'm sure it will also hurt conversions to have to it display as shown below on the sales page...

"Step 2. Select a subscription
Please select a subscription from the options below.

Product Name
PayPal Button"