simplify stackableShulkerBoxes rule

src/main/java/carpet/helpers/InventoryHelper.java

@@ -1,49 +0,0 @@
-package carpet.helpers;
-
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.world.item.ItemStack;
-
-import static net.minecraft.nbt.Tag.TAG_COMPOUND;
-import static net.minecraft.nbt.Tag.TAG_LIST;
-
-public class InventoryHelper
-{
-    public static boolean cleanUpShulkerBoxTag(ItemStack stack)
-    {
-        boolean changed = false;
-        CompoundTag tag = stack.getTag();
-
-        if (tag == null || !tag.contains("BlockEntityTag", TAG_COMPOUND))
-            return false;
-
-        CompoundTag bet = tag.getCompound("BlockEntityTag");
-        if (bet.contains("Items", TAG_LIST) && bet.getList("Items", TAG_COMPOUND).isEmpty())
-        {
-            bet.remove("Items");
-            changed = true;
-        }
-
-        if (bet.isEmpty() || (bet.size() == 1 && bet.getString("id").equals("minecraft:shulker_box")))
-        {
-            tag.remove("BlockEntityTag");
-            changed = true;
-        }
-        if (tag.isEmpty())
-        {
-            stack.setTag(null);
-            changed = true;
-        }
-        return changed;
-    }
-
-    public static boolean shulkerBoxHasItems(ItemStack stack)
-    {
-        CompoundTag tag = stack.getTag();
-
-        if (tag == null || !tag.contains("BlockEntityTag", TAG_COMPOUND))
-            return false;
-
-        CompoundTag bet = tag.getCompound("BlockEntityTag");
-        return bet.contains("Items", TAG_LIST) && !bet.getList("Items", TAG_COMPOUND).isEmpty();
-    }
-}