sysrq: remove duplicated #include

Remove duplicated #include in drivers/char/sysrq.c.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/char/sysrq.c

@@ -35,7 +35,6 @@
 #include <linux/vt_kern.h>
 #include <linux/workqueue.h>
 #include <linux/kexec.h>
-#include <linux/interrupt.h>
 #include <linux/hrtimer.h>
 #include <linux/oom.h>