This isn't a repost of Alien biomes tho? This mod does exactly what it says it does, and that is changing this setting to enabled like this
settings.startup["alien-biomes-remove-obsolete-tiles"].value = "Enabled"
(isn't really a mod that's necessarily needs to exist tho, but we humans are lazy I guess)
also If Licenses works the way you make it sound, then every mod that modifies a setting in another mod would break that license...
The mod Alien Biomes also isn't 1,77kB, although it would be quite literally amazing if someone could compress something that much.