Bluetooth: controller: split: Revert broken ZLI support

This reverts commit 3096c0e.

Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>

Author: cvinayak

subsys/bluetooth/controller/ll_sw/nordic/lll/lll.c

@@ -33,12 +33,6 @@
 #include "common/log.h"
 #include "hal/debug.h"
 
-#if defined(CONFIG_BT_CTLR_ZLI)
-#define IRQ_CONNECT_FLAGS IRQ_ZERO_LATENCY
-#else
-#define IRQ_CONNECT_FLAGS 0
-#endif
-
 static struct {
 	struct {
 		void              *param;
@@ -164,16 +158,11 @@ int lll_init(void)
 
 	/* Connect ISRs */
 	IRQ_DIRECT_CONNECT(RADIO_IRQn, CONFIG_BT_CTLR_LLL_PRIO,
-			   radio_nrf5_isr, IRQ_CONNECT_FLAGS);
-#if (CONFIG_BT_CTLR_LLL_PRIO == CONFIG_BT_CTLR_ULL_HIGH_PRIO)
-	IRQ_CONNECT(RTC0_IRQn, CONFIG_BT_CTLR_ULL_HIGH_PRIO,
-		    rtc0_nrf5_isr, NULL, IRQ_CONNECT_FLAGS);
-#else
+			   radio_nrf5_isr, 0);
 	IRQ_CONNECT(RTC0_IRQn, CONFIG_BT_CTLR_ULL_HIGH_PRIO,
 		    rtc0_nrf5_isr, NULL, 0);
-#endif
 	IRQ_CONNECT(HAL_SWI_RADIO_IRQ, CONFIG_BT_CTLR_LLL_PRIO,
-		    swi_lll_nrf5_isr, NULL, IRQ_CONNECT_FLAGS);
+		    swi_lll_nrf5_isr, NULL, 0);
 #if defined(CONFIG_BT_CTLR_LOW_LAT) || \
 	(CONFIG_BT_CTLR_ULL_HIGH_PRIO != CONFIG_BT_CTLR_ULL_LOW_PRIO)
 	IRQ_CONNECT(HAL_SWI_JOB_IRQ, CONFIG_BT_CTLR_ULL_LOW_PRIO,