Revert "Bluetooth: Controller: Fix ext conn create when using single timer"

This reverts commit a7fff74.

The next commit will re-add back the fix to primary
advertising channel plus auxiliary advertising channel too.
This will help keep the fix together regarding use of
single timer for software tIFS switching implementation.

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

Author: cvinayak

subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.c

@@ -641,15 +641,6 @@ uint32_t radio_is_done(void)
 }
 #endif /* !CONFIG_BT_CTLR_SW_SWITCH_SINGLE_TIMER */
 
-uint32_t radio_is_tx_done(void)
-{
-	if (IS_ENABLED(CONFIG_BT_CTLR_SW_SWITCH_SINGLE_TIMER)) {
-		return radio_is_done();
-	} else {
-		return 1U;
-	}
-}
-
 uint32_t radio_has_disabled(void)
 {
 	return (NRF_RADIO->EVENTS_DISABLED != 0);

subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.h

@@ -86,7 +86,6 @@ void radio_status_reset(void);
 uint32_t radio_is_ready(void);
 uint32_t radio_is_address(void);
 uint32_t radio_is_done(void);
-uint32_t radio_is_tx_done(void);
 uint32_t radio_has_disabled(void);
 uint32_t radio_is_idle(void);
 

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

@@ -581,11 +581,6 @@ static void isr_tx_rx(void *param)
 		node_rx_prof = lll_prof_reserve();
 	}
 
-	/* Call to ensure packet/event timer accumulates the elapsed time
-	 * under single timer use.
-	 */
-	(void)radio_is_tx_done();
-
 	/* Clear radio tx status and events */
 	lll_isr_tx_status_reset();