As long as you haven't use the feature of requesting assistance you can either downgrade or clear and start over. See the link below for instructions on how to remove TurboTax Live Assistance
How do I remove TurboTax Live?
See this TurboTax support FAQ for how to remove Live Assist - https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-subscriptions/remove-turbotax-live/L3WW5jwOM_US_en_US?uid=m91lpdjl