rtc: rx8025: remove useless initialization

irq_freq is already initialized to 1 in rtc_device_register()

Signed-off-by: Alexandre Belloni <[e-mail]>

drivers/rtc/rtc-rx8025.c

···
 		}
 	}
 
-	rx8025->rtc->irq_freq = 1;
 	rx8025->rtc->max_user_freq = 1;
 
 	err = rx8025_sysfs_register(&client->dev);