Bluetooth: Controller: Remove use of SDC_MEM_CS_DEPRECATED

This is not needed anymore as the new SDC_MEM_CS macro has been merged
in nrfxlib.

Signed-off-by: Erik Sandgren <[email protected]>

Author: eriksandgren

subsys/bluetooth/controller/hci_driver.c

@@ -261,19 +261,13 @@ BUILD_ASSERT(!IS_ENABLED(CONFIG_BT_PERIPHERAL) ||
 #endif
 
 #if defined(CONFIG_BT_CTLR_SDC_CS_COUNT)
-#if defined(SDC_MEM_CS_DEPRECATED)
 #define SDC_MEM_CS_POOL							\
 	SDC_MEM_CS( \
 		CONFIG_BT_CTLR_SDC_CS_COUNT, \
 		CONFIG_BT_CTLR_SDC_CS_MAX_ANTENNA_PATHS, \
 		IS_ENABLED(CONFIG_BT_CTLR_SDC_CS_STEP_MODE3)) + \
 	SDC_MEM_CS_SETUP_PHASE_LINKS(SDC_CENTRAL_COUNT + PERIPHERAL_COUNT)
 #else
-#define SDC_MEM_CS_POOL							\
-	SDC_MEM_CS(CONFIG_BT_CTLR_SDC_CS_COUNT) +	\
-	SDC_MEM_CS_SETUP_PHASE_LINKS(SDC_CENTRAL_COUNT + PERIPHERAL_COUNT)
-#endif
-#else
 #define SDC_MEM_CS_POOL 0
 #endif