drivers: can: mcan: remove unused NUM_TX_EVENT_FIFO_ELEMENTS macro

Remove the unused NUM_TX_EVENT_FIFO_ELEMENTS helper macro. There is no
dts property for setting the TX event FIFO size.

Signed-off-by: Henrik Brix Andersen <[email protected]>

Author: henrikbrixandersen

drivers/can/can_mcan.h

@@ -26,11 +26,8 @@
 #define NUM_RX_FIFO0_ELEMENTS   DT_PROP(MCAN_DT_PATH, rx_fifo0_elements)
 #define NUM_RX_FIFO1_ELEMENTS   DT_PROP(MCAN_DT_PATH, rx_fifo0_elements)
 #define NUM_RX_BUF_ELEMENTS     DT_PROP(MCAN_DT_PATH, rx_buffer_elements)
-#define NUM_TX_EVENT_FIFO_ELEMENTS \
-				DT_PROP(MCAN_DT_PATH, tx_event_fifo_elements)
 #define NUM_TX_BUF_ELEMENTS     DT_PROP(MCAN_DT_PATH, tx_buffer_elements)
 
-
 #ifdef CONFIG_CAN_STM32FD
 #define NUM_STD_FILTER_DATA CONFIG_CAN_MAX_STD_ID_FILTER
 #define NUM_EXT_FILTER_DATA CONFIG_CAN_MAX_EXT_ID_FILTER