style(PHP): remove unnecessary import

Signed-off-by: Arthur Schiwon <[email protected]>

Author: blizzz

lib/UserBackend.php

@@ -24,9 +24,8 @@
 use OCP\User\Backend\IGetDisplayNameBackend;
 use OCP\User\Backend\IGetHomeBackend;
 use OCP\User\Events\UserChangedEvent;
-use OCP\User\Events\UserFirstTimeLoggedInEvent;
-use OCP\User\Events\UserCreatedEvent;
 use OCP\User\Events\UserDeletedEvent;
+use OCP\User\Events\UserFirstTimeLoggedInEvent;
 use OCP\UserInterface;
 use Psr\Log\LoggerInterface;