add feature toggling

src/main/java/cc/fascinated/bat/features/birthday/UserBirthday.java

@@ -34,16 +34,13 @@ public class UserBirthday {
     public int calculateAge() {
         Calendar birthdayCalendar = Calendar.getInstance();
         birthdayCalendar.setTime(this.getBirthday());
-
         Calendar today = Calendar.getInstance();
-
         int age = today.get(Calendar.YEAR) - birthdayCalendar.get(Calendar.YEAR);
 
         // Check if the birthday hasn't occurred yet this year
         if (today.get(Calendar.DAY_OF_YEAR) < birthdayCalendar.get(Calendar.DAY_OF_YEAR)) {
             age--;
         }
-
         return age;
     }
 }