s390: fix /proc/interrupts output

The irqclass_sub_desc array and enum interruption_class are out of sync
thus /proc/interrupts is broken. Remove IRQIO_CLW.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index 343ea7c..ff95d15 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -57,7 +57,6 @@
 	IRQIO_TAP,
 	IRQIO_VMR,
 	IRQIO_LCS,
-	IRQIO_CLW,
 	IRQIO_CTC,
 	IRQIO_APB,
 	IRQIO_ADM,