refactor/Refactor logging in controller classes

...di/stud/savingsapp/bank/controller/AccountController.java

...tud/savingsapp/bank/controller/BankProfileController.java

...tud/savingsapp/bank/controller/TransactionController.java

...stud/savingsapp/bank/service/impl/AccountServiceImpl.java

.../savingsapp/bank/service/impl/BankProfileServiceImpl.java

.../savingsapp/bank/service/impl/TransactionServiceImpl.java

...idi/stud/savingsapp/controller/badge/BadgeController.java

...i/stud/savingsapp/controller/budget/BudgetController.java

...i/stud/savingsapp/controller/friend/FriendController.java

...u/idi/stud/savingsapp/controller/goal/GoalController.java

...u/idi/stud/savingsapp/controller/item/ItemController.java

...ingsapp/controller/leaderboard/LeaderboardController.java

...gsapp/controller/notification/NotificationController.java

...u/idi/stud/savingsapp/controller/user/UserController.java