can: remove obsolete definitions

can_rx_alldev_list is a per-net data structure now. Remove it's definition
here and can_rx_dev_list too.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

net/can/af_can.h

@@ -110,9 +110,6 @@ struct s_pstats {
 	unsigned long rcv_entries_max;
 };
 
-/* receive filters subscribed for 'all' CAN devices */
-extern struct dev_rcv_lists can_rx_alldev_list;
-
 /* function prototypes for the CAN networklayer procfs (proc.c) */
 void can_init_proc(struct net *net);
 void can_remove_proc(struct net *net);
@@ -122,6 +119,5 @@ void can_stat_update(unsigned long data);
 extern struct timer_list can_stattimer;    /* timer for statistics update */
 extern struct s_stats    can_stats;        /* packet statistics */
 extern struct s_pstats   can_pstats;       /* receive list statistics */
-extern struct hlist_head can_rx_dev_list;  /* rx dispatcher structures */
 
 #endif /* AF_CAN_H */