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 .

---

This patch was already sent on:
- 21 Jul 2005

Note: The compilation of this patch was not tested.

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