can: peak_canfd: remove useless defined symbols

CANFD_IRQ_SET as well as CANFD_TX_PATH_SET are not used.
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/peak_canfd/peak_pciefd_main.c

@@ -174,9 +174,6 @@ struct pciefd_page {
 	u32 size;
 };
 
-#define CANFD_IRQ_SET		0x00000001
-#define CANFD_TX_PATH_SET	0x00000002
-
 /* CAN-FD channel object */
 struct pciefd_board;
 struct pciefd_can {