why did Atticus Finch move out of his house, where an ice cream parlor now resides?

why did Atticus Finch move out of his house, where an ice cream parlor now resides?
In Harper Lee’s Go Set a Watchman, why did Atticus Finch move out of his house, where an ice cream parlor now resides?

why did Atticus Finch move out of his house, where an ice cream parlor now resides?