can: ctucanfd: remove unused including <linux/version.h>

Eliminate the follow versioncheck warning:

| drivers/net/can/ctucanfd/ctucanfd_base.c: 34 linux/version.h not needed.

Link: https://lore.kernel.org/all/20220421202852.2693-1-jiapeng.chong@linux.alibaba.com


Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Pave Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>