fix: let mobs spawn on stone blocks

Author: MCTian-mi

src/main/java/gregtech/common/blocks/StoneVariantBlock.java

@@ -12,11 +12,8 @@
 import net.minecraft.block.properties.PropertyEnum;
 import net.minecraft.block.state.BlockStateContainer;
 import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.EntityLiving;
 import net.minecraft.item.Item;
 import net.minecraft.util.IStringSerializable;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
 
 import org.jetbrains.annotations.NotNull;
 
@@ -51,12 +48,6 @@ protected BlockStateContainer createBlockState() {
         return new BlockStateContainer(this, VARIANT);
     }
 
-    @Override
-    public boolean canCreatureSpawn(@NotNull IBlockState state, @NotNull IBlockAccess world, @NotNull BlockPos pos,
-                                    @NotNull EntityLiving.SpawnPlacementType type) {
-        return false;
-    }
-
     @Override
     protected boolean canSilkHarvest() {
         return this.stoneVariant == StoneVariant.SMOOTH;