Of course you can use TurboTax without filing a state tax return. Using the Online editions if you enter Florida as your state of residence, after completing the federal portion of your tax return you will be asked about filing a Florida return, just answer NO.
If for some reason a state return is shown on your account you can delete the state return by using the procedure in this TurboTax support FAQ - https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-delete-my-state-return-in-turbotax-on...
