remove ItemBase from NPC

src/engine/objects/NPC.java

@@ -1064,11 +1064,11 @@ public class NPC extends AbstractCharacter {
                 maxSkill = 110;
                 break;
         }
-        ItemBase itemBase;
+        ItemTemplate itemBase;
         for (Integer itemID : fullItemList) {
-            itemBase = ItemBase.getItemBase(itemID);
-            boolean exclude = itemBase.getPercentRequired() == 0 && ItemTemplate.templates.get(itemID).item_type == ItemType.WEAPON;
-            if (itemBase.getPercentRequired() <= maxSkill && !exclude)
+            itemBase = ItemTemplate.templates.get(itemID);
+            boolean exclude = (int)itemBase.item_skill_required.values().toArray()[0] == 0 && ItemTemplate.templates.get(itemID).item_type == ItemType.WEAPON;
+            if ((int)itemBase.item_skill_required.values().toArray()[0] <= maxSkill && !exclude)
                 filteredItemList.add(itemID);
         }
         if (this.contract.getVendorID() == 102) {