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-sh64/system.h b/include/asm-sh64/system.h
index 5ff9464..be2a15f 100644
--- a/include/asm-sh64/system.h
+++ b/include/asm-sh64/system.h
@@ -62,8 +62,7 @@
 #define smp_read_barrier_depends()	do { } while (0)
 #endif /* CONFIG_SMP */
 
-#define set_rmb(var, value) do { (void)xchg(&var, value); } while (0)
-#define set_mb(var, value) set_rmb(var, value)
+#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
 
 /* Interrupt Control */
 #ifndef HARD_CLI