Revert "Merge remote-tracking branch 'LasmGratel/async-itemrepo' into AE2-Omnifactory"

This reverts commit 86a42e970f.

src/main/java/appeng/util/inv/ItemListIgnoreCrafting.java

@@ -94,9 +94,4 @@ public class ItemListIgnoreCrafting<T extends IAEStack<T>> implements IItemList<
     public void resetStatus() {
         this.target.resetStatus();
     }
-
-    @Override
-    public ItemListIgnoreCrafting<T> clone() {
-        return new ItemListIgnoreCrafting<>(target);
-    }
 }

src/main/java/appeng/util/item/ItemList.java

@@ -140,14 +140,6 @@ public final class ItemList implements IItemList<IAEItemStack> {
         }
     }
 
-    @Override
-    public ItemList clone() {
-        ItemList list = new ItemList();
-        list.records.putAll(records);
-        list.version.set(version.get());
-        return list;
-    }
-
     private ItemVariantList getOrCreateRecord(Item item) {
         return this.records.computeIfAbsent(item, this::makeRecordMap);
     }