ASoC: rt715-sdca: Remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20210309131455.1883120-1-weiyongjun1@huawei.com


Signed-off-by: Mark Brown <broonie@kernel.org>