skd_main: remove unused including <linux/version.h>

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

Signed-off-by: Tian Tao <[e-mail]>
Signed-off-by: Jens Axboe <[e-mail]>

drivers/block/skd_main.c

···
 #include <linux/dma-mapping.h>
 #include <linux/completion.h>
 #include <linux/scatterlist.h>
-#include <linux/version.h>
 #include <linux/err.h>
 #include <linux/aer.h>
 #include <linux/wait.h>