refactor code

Co-Authored-By: xxnitram <xxnitram@users.noreply.github.com>

src/main/java/mops/gruppen2/controller/Gruppen2Controller.java

@@ -133,7 +133,6 @@ public class Gruppen2Controller {
     public String pLeaveGroup(KeycloakAuthenticationToken token, @RequestParam (value="group_id") Long id) {
         Account account = keyCloakService.createAccountFromPrincipal(token);
         controllerService.deleteUser(account, id);
-        System.out.println(id);
         return "redirect:/gruppen2/";
     }
 }

src/main/java/mops/gruppen2/service/ControllerService.java

@@ -68,7 +68,6 @@ public class ControllerService {
 
     public void deleteUser(Account account, Long group_id){
         DeleteUserEvent deleteUserEvent = new DeleteUserEvent(group_id,account.getName());
-        System.out.println(deleteUserEvent.getGroup_id() + " " + deleteUserEvent.getUser_id());
         eventService.saveEvent(deleteUserEvent);
     }
 }