ble: Remove CONFIG_BT_BUF_ACL_RX_COUNT

CONFIG_BT_BUF_ACL_RX_COUNT has been deprecated in
zephyrproject-rtos/zephyr#81747
CONFIG_BT_BUF_ACL_RX_COUNT_EXTRA has been introduced to replace it.

Signed-off-by: Pavel Vasilyev <[email protected]>

Author: PavelVPV

samples/sid_end_device/Kconfig.defconfig

@@ -17,8 +17,8 @@ config BT_BUF_ACL_TX_COUNT
 config BT_BUF_ACL_RX_SIZE
 	default 251
 
-config BT_BUF_ACL_RX_COUNT
-	default 6
+config BT_BUF_ACL_RX_COUNT_EXTRA
+	default 4
 
 config BT_L2CAP_TX_MTU
 	default 247