arm64: hibernate: Remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.
Signed-off-by: NTian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1600068522-54499-1-git-send-email-tiantao6@hisilicon.comSigned-off-by: NWill Deacon <will@kernel.org>

arch/arm64/kernel/hibernate.c

@@ -21,7 +21,6 @@
 #include <linux/sched.h>
 #include <linux/suspend.h>
 #include <linux/utsname.h>
-#include <linux/version.h>
 
 #include <asm/barrier.h>
 #include <asm/cacheflush.h>