Minor

src/Main.java

@@ -29,9 +29,6 @@ public class Main {
         // Closed list
         ArrayList<GameState> closedList = new ArrayList<>();
 
-        // Array list to hold game states
-        ArrayList<GameState> newStates = new ArrayList<>();
-
         // Defining array list to be the frontier and adding the first node to it
         ArrayList<Node> frontier = new ArrayList<>();
         frontier.add(new Node(Actions.VOID, gs));