If you haven't already filed your return you can remove the unwanted add ons. To do so you can follow the instructions below.
https://ttlc.intuit.com/replies/3300257
Also if you would like to start over the following TurboTax FAQ explains how to do that. Just remember if your return is more complex or if you add on certain tax forms, it will automatically upgrade you to the appropriate version.
https://ttlc.intuit.com/replies/4248526
On the other hand if you have already filed, please follow the instructions listed in the following TurboTax FAQ to contact Customer Support for further assistance.
https://ttlc.intuit.com/replies/3300041