small changes to button names in budget ui

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

@@ -37,7 +37,7 @@ public class AddBudgetController {
         ObservableList<ExpenseCategory> expenseCategories = FXCollections.observableArrayList(
                 ExpenseCategory.values());
         categoryVariable.setItems(expenseCategories);
-        categoryVariable.setPromptText("What");
+        categoryVariable.setPromptText("Category");
     }
 
     public ExpenseCategory getCategory(){

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

@@ -96,7 +96,6 @@ public class BudgetController {
 
         item = budgetController.getNewBudgetItem();
         if(item != null && dialogMode == DialogMode.ADD){
-            System.out.println("It is too dark");
             listOfBudgetItems.add(item);
             refreshObservableList();
         }