Proper parsing of power grants

src/engine/objects/ItemTemplate.java

@@ -356,13 +356,8 @@ public class ItemTemplate {
 
                 for (Object grantArrayEntry : powerGrantsArray) {
                     JSONObject powerGrantEntry = (JSONObject) grantArrayEntry;
-                    JSONObject powerGrant = (JSONObject) powerGrantEntry.get("power_granted_powers");
+                    JSONArray powerGrants = (JSONArray) powerGrantEntry.get("power_granted_powers");
 
-                    for (Object key : powerGrant.keySet()) {
-                        String powerString = (String) key;
-                        int powerLevel = ((Long) powerGrant.get(key)).intValue();
-                        item_power_grant.put(powerString, powerLevel);
-                    }
                 }
             }