For 1.12, we should disable village generation in most biomes in which it is currently enabled. Perhaps only allow villages in the same biomes as vanilla.
Currently villages are enabled in biomes that they never should have been, like Extreme Hills, so we get crap like this:

Fixed in a296c6e

We'll still keep the biome config option to enable/disable villages, but we'll only enable them by default in the biomes that vanilla allows them to generate in.