set_biome now works in fully 3D - fill entire column of biome to have old typical behaviour

src/main/java/carpet/mixins/BiomeArray_getBiomeArrayMixin.java

@@ -1,7 +1,6 @@
 package carpet.mixins;
 
 import carpet.fakes.BiomeArrayInterface;
-import carpet.CarpetSettings;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.world.World;