rtc: ma35d1: remove hardcoded UIE support

Let the core handle UIE instead of enabling it forcefully at probe which
means the RTC will generate an interrupt every second even when nobody
cares.

Link: https://lore.kernel.org/r/20231217225831.48581-1-alexandre.belloni@bootlin.com


Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>