Remove rule for config-devices.h

Since commit a992fe3d0fc185112677286f7a02204d8245b61e
config-devices.h is no longer used.

So there is no need to keep the dependency rules
any longer.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Makefile.target

diff --git a/Makefile.target b/Makefile.target
index 2985658..891ea08 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -33,9 +33,6 @@
 config-target.h: config-target.h-timestamp
 config-target.h-timestamp: config-target.mak
 
-config-devices.h: config-devices.h-timestamp
-config-devices.h-timestamp: config-devices.mak
-
 all: $(PROGS)
 
 # Dummy command so that make thinks it has done something