rtc: rx8010: stop setting max_user_freq

max_user_freq has not been related to the hardware RTC since commit
6610e0893b8b ("RTC: Rework RTC code to use timerqueue for events"). Stop
setting it from individual driver to avoid confusing new contributors.

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

drivers/rtc/rtc-rx8010.c

···
 	}
 
 	rx8010->rtc->ops = &rx8010_rtc_ops;
-	rx8010->rtc->max_user_freq = 1;
 	rx8010->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
 	rx8010->rtc->range_max = RTC_TIMESTAMP_END_2099;