include: Remove two unused header files

These seem to have never been used. They entered can-utils in commit
77de10356f (include: import kernel header files into tree) and already
back then only consisted in an #include of a non-existing file.

Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

GNUmakefile.am

@@ -11,8 +11,6 @@ noinst_HEADERS = \
 	lib.h \
 	terminal.h \
 	include/linux/can/bcm.h \
-	include/linux/can/core.h \
-	include/linux/can/dev.h \
 	include/linux/can/error.h \
 	include/linux/can/gw.h \
 	include/linux/can.h \

include/linux/can/core.h

@@ -1 +0,0 @@
-#include <socketcan/can/core.h>

include/linux/can/dev.h

@@ -1 +0,0 @@
-#include <socketcan/can/dev.h>