If you are trying to delete the form where you contain that information. Here's a guide to how you can remove the form.
1. Open your return in TurboTax.
(To do this, sign in to TurboTax, and click the orange Take me to my return button.)
2. In the upper right corner, click My Account > Tools.
3. In the pop-up window, select Delete a form.
4. Click Delete next to the form/schedule/worksheet and follow the onscreen instructions.
This is the best way to delete information while filing if you do not plan on using the form or if you would like to restart and enter in new information.