You could just go back to MY INFO, click her name and change the way you answered the questions about her OR you can go to MY INFO and delete her as a dependent. If you are not claiming her you do not need to enter anything about her on your tax return, unless you have a signed 8332 with another parent who is claiming her and you are trying to file as HOH.
Or....if you just want to clear and start over
https://ttlc.intuit.com/turbotax-support/en-us/help-article/change-service-level/clear-start-turbota...
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