gru: remove stray local_irq_enable

Remove a stray local_irq_enable() in the GRU TLB dropin code.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
index 3e64404..b56009f 100644
--- a/drivers/misc/sgi-gru/grufault.c
+++ b/drivers/misc/sgi-gru/grufault.c
@@ -253,7 +253,6 @@
 	return 0;
 
 err:
-	local_irq_enable();
 	return 1;
 }