[PATCH] x86_64 irq: Kill declaration of removed array, interrupt

It's dead Jim.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/x86_64/kernel/io_apic.c

@@ -793,8 +793,6 @@ void __setup_vector_irq(int cpu)
 }
 
 
-extern void (*interrupt[NR_IRQS])(void);
-
 static struct irq_chip ioapic_chip;
 
 #define IOAPIC_AUTO	-1