Remove #include <linux/version.h>

Cc: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: NHuang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: NDouglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>