Readded suppress warning

src/main/java/com/Acrobot/ChestShop/UUIDs/NameManager.java

@@ -22,6 +22,7 @@ import java.util.UUID;
  *
  * @author Andrzej Pomirski (Acrobot)
  */
+@SuppressWarnings("UnusedAssignment") //I deliberately set the variables to null while initializing
 public class NameManager {
     private static Dao<Account, String> accounts;