[PATCH] include/asm-arm26/hardirq.h: remove #define irq_enter()

This patch removes a #define for irq_enter that is superfluous due to a
similar one in include/linux/hardirq.h.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-arm26/hardirq.h

@@ -22,8 +22,6 @@ typedef struct {
 # error HARDIRQ_BITS is too low!
 #endif
 
-#define irq_enter()		(preempt_count() += HARDIRQ_OFFSET)
-
 #ifndef CONFIG_SMP
 
 extern asmlinkage void __do_softirq(void);