include/asm-*/system.h: remove unused set_rmb(), set_wmb() macros

These don't appear anywhere else in the kernel anymore.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/include/asm-h8300/system.h b/include/asm-h8300/system.h
index 7807018..2c1e83f 100644
--- a/include/asm-h8300/system.h
+++ b/include/asm-h8300/system.h
@@ -82,8 +82,7 @@
 #define mb()   asm volatile (""   : : :"memory")
 #define rmb()  asm volatile (""   : : :"memory")
 #define wmb()  asm volatile (""   : : :"memory")
-#define set_rmb(var, value)    do { xchg(&var, value); } while (0)
-#define set_mb(var, value)     set_rmb(var, value)
+#define set_mb(var, value) do { xchg(&var, value); } while (0)
 
 #ifdef CONFIG_SMP
 #define smp_mb()	mb()