mfd: menelaus: Remove superfluous error message

The RTC core already has error messages in case of failure, there is no
need to have another message in the driver.

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

drivers/mfd/menelaus.c

···
 			menelaus_remove_irq_work(MENELAUS_RTCALM_IRQ);
 			device_init_wakeup(&m->client->dev, 0);
 		}
-		dev_err(&m->client->dev, "can't register RTC: %d\n",
-				(int) PTR_ERR(m->rtc));
 		the_menelaus->rtc = NULL;
 	}
 }