[PATCH] drivers/char/sysrq.c: remove the unused sysrq_power_off

sysrq_power_off was completely unused.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/char/sysrq.c

@@ -40,9 +40,6 @@
 /* Whether we react on sysrq keys or just ignore them */
 int sysrq_enabled = 1;
 
-/* Machine specific power off function */
-void (*sysrq_power_off)(void);
-
 /* Loglevel sysrq handler */
 static void sysrq_handle_loglevel(int key, struct pt_regs *pt_regs,
 				  struct tty_struct *tty)