Since this was the sale of a vacation home (and was never your primary residence), you can report this as the Sale of Business Property under Business Items. The entry screen for this type of sale allows you to enter Depreciation taken for the property.
You are correct that TurboTax will remove the rental property info if you say you didn't rent it at all during the year. Once you have reported the sale, you can complete this section to report you no longer own the rental property.
@Norsky
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