The only thing I deleted here was the interior fence that was blocking access to a lot of buildings. There were 2 actual buildings that I moved and I betcha can't tell

Someone had those 3 farms near the water built while interior edit mode was active. Not sure which mod they came from, but they were pretty much just floating in the air, so I removed them from the interior and placed them as a normal exterior object. This made them inaccessible to the town so I increased the town radius from 0.6 to 1. That's the reason