Removed duplicate get methods in Overview, as a result from merging conflict

src/main/java/no/ntnu/idatt1002/demo/data/Economics/Overview.java

@@ -42,31 +42,6 @@ public class Overview {
         this.expenseRegister = expenseRegister;
         this.budget = budget;
         updateBalance();
-        this.budget = budget;
-    }
-
-    /**
-     * Get the IncomeRegister of the Overview.
-     * @return IncomeRegister
-     */
-    public IncomeRegister getIncomeRegister() {
-        return incomeRegister;
-    }
-
-    /**
-     * Get the ExpenseRegister of the Overview.
-     * @return ExpenseRegister
-     */
-    public ExpenseRegister getExpenseRegister() {
-        return expenseRegister;
-    }
-
-    /**
-     * Get the GeneralBudget of the Overview.
-     * @return GeneralBudget
-     */
-    public GeneralBudget getBudget() {
-        return budget;
     }
 
     /**