"Removed local variables for registers"

src/main/java/no/ntnu/idatt1002/demo/controller/MainMenu.java

@@ -125,11 +125,11 @@ public class MainMenu {
   private void initializeControllers() throws IOException {
     //Instantiate income controller and register
     IncomeController incomeController = new IncomeController();
-    IncomeRegister incomeRegister = incomeController.loadIncomeDataFromFile("Income");
+    incomeRegister = incomeController.loadIncomeDataFromFile("Income");
 
     //Instantiate expense controller and register
     ExpensesController expensesController = new ExpensesController();
-    ExpenseRegister expenseRegister = expensesController.loadExpenseDataFromFile("Expense");
+    expenseRegister = expensesController.loadExpenseDataFromFile("Expense");
 
     //Instantiate budget controller and register
     BudgetController budgetController = new BudgetController();