Update ItemPickup.cs

NwPluginAPI/Core/Items/ItemPickup.cs

@@ -106,6 +106,13 @@ public static bool Remove(ItemPickupBase item)
 			return CachedItems.Remove(item.Info.Serial);
 		}
 
+		public static bool Remove(ushort Serial)
+        {
+            if (!CachedItems.TryGetValue(Serial, out ItemPickup it)) return false;
+
+            return CachedItems.Remove(Serial);
+        }
+
 		/// <summary>
 		/// Creates a new <see cref="ItemPickup"/>.
 		/// </summary>
@@ -151,4 +158,4 @@ public ItemPickup(ItemPickupBase item)
 			OriginalObject = item;
 		}
 	}
-}
+}