rtc: rx8025: remove obsolete local_irq_disable() and local_irq_enable() for rtc_update_irq()

Since commit e6229bec ("rtc: make rtc_update_irq callable with irqs
enabled") rtc_update_irq() is callable with irqs enabled.
Signed-off-by: Henri Roosen <henriroosen@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

drivers/rtc/rtc-rx8025.c

@@ -161,9 +161,7 @@ static void rx8025_work(struct work_struct *work)
 	if (status & RX8025_BIT_CTRL2_CTFG) {
 		/* periodic */
 		status &= ~RX8025_BIT_CTRL2_CTFG;
-		local_irq_disable();
 		rtc_update_irq(rx8025->rtc, 1, RTC_PF | RTC_IRQF);
-		local_irq_enable();
 	}
 
 	if (status & RX8025_BIT_CTRL2_DAFG) {
@@ -172,9 +170,7 @@ static void rx8025_work(struct work_struct *work)
 		if (rx8025_write_reg(client, RX8025_REG_CTRL1,
 				     rx8025->ctrl1 & ~RX8025_BIT_CTRL1_DALE))
 			goto out;
-		local_irq_disable();
 		rtc_update_irq(rx8025->rtc, 1, RTC_AF | RTC_IRQF);
-		local_irq_enable();
 	}
 
 	/* acknowledge IRQ */