It will not let me delete the credit for covid sick leave

If you are referring to the family leave credit for self employed taxpayers, you can simply remove the Form 7202 "Credits for Sick Leave and Family Leave for Certain Self-Employed Individuals" from the program. 

In TurboTax online, 

1.  Sign into your account, select Pick up where you left off

2.  Select Tax Tools, click on the drop down arrow

3.  Select Tools

4.  Under Other helpful links, choose Delete a form

5.  Select Delete next to the form 7202 and Continue with My Return

Under the Families First Coronavirus Response Act, if you are a self employed person including those who receive a 1099-MISC, and if you were not able to work or telework due to reasons related to the coronavirus, you are eligible for this Sick Leave and Family Leave credits.  You would need to file a Form 7202 to figure the amount to claim for the credits 

To see if you are eligible, click here: Who must file Form 7202

To learn more details about the credits, click here: Self Employed Credits