can: mscan: remove unused struct 'mscan_state'

'mscan_state' is unused since the original
commit afa17a500a36 ("net/can: add driver for mscan family &
mpc52xx_mscan").

Remove it.

Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
Reviewed-by: Simon Horman <[e-mail]>
Reviewed-by: Wolfram Sang <[e-mail]>
Link: https://lore.kernel.org/all/[e-mail]
Signed-off-by: Marc Kleine-Budde <[e-mail]>

drivers/net/can/mscan/mscan.c

···
 	.brp_inc = 1,
 };
 
-struct mscan_state {
-	u8 mode;
-	u8 canrier;
-	u8 cantier;
-};
-
 static enum can_state state_map[] = {
 	CAN_STATE_ERROR_ACTIVE,
 	CAN_STATE_ERROR_WARNING,