hw/pci-bridge/dec: Remove dead debug code

Remove debug code never used since added in commit e1c6bbabee30.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200525033910.26166-1-f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
diff --git a/hw/pci-bridge/dec.c b/hw/pci-bridge/dec.c
index 3ae2f78..952bc71 100644
--- a/hw/pci-bridge/dec.c
+++ b/hw/pci-bridge/dec.c
@@ -32,16 +32,6 @@
 #include "hw/pci/pci_bridge.h"
 #include "hw/pci/pci_bus.h"
 
-/* debug DEC */
-//#define DEBUG_DEC
-
-#ifdef DEBUG_DEC
-#define DEC_DPRINTF(fmt, ...)                               \
-    do { printf("DEC: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DEC_DPRINTF(fmt, ...)
-#endif
-
 #define DEC_21154(obj) OBJECT_CHECK(DECState, (obj), TYPE_DEC_21154)
 
 typedef struct DECState {