What if i don't get a W-2 to fill this part of the form out? Im self employed only

You can skip the W-2 Section if you did not receive any.  If you entered something into the section in error you can delete the form and TurboTax will "forget" you had a W-2 entry.

To delete a specific form in TurboTax Online you can follow these steps:

1. Within your return, click on Tax Tools in the black menu on the left side of the screen.
2. Click on Tools.
3. Click on Delete a Form. 
4. Scroll down to your form and click Delete.
5. Under Federal in the black menu bar click Wages & Income to get back into your tax returns.
6. Proceed entering/reviewing your return.