rtc: class: Remove duplicate check for alarm

In __devm_rtc_register_device(), the callee rtc_initialize_alarm()
will check the alarm, there is no need to check in advance,
so remove it.

Signed-off-by: Jinjie Ruan <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Alexandre Belloni <[e-mail]>

drivers/rtc/class.c

···
 
 	/* Check to see if there is an ALARM already set in hw */
 	err = __rtc_read_alarm(rtc, &alrm);
-	if (!err && !rtc_valid_tm(&alrm.time))
+	if (!err)
 		rtc_initialize_alarm(rtc, &alrm);
 
 	rtc_dev_prepare(rtc);