common/cmd_[af]*: Remove obsolete references to CONFIG_COMMANDS.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/common/cmd_display.c b/common/cmd_display.c
index f2e7e88..47ef35a 100644
--- a/common/cmd_display.c
+++ b/common/cmd_display.c
@@ -24,7 +24,7 @@
 #include <common.h>
 #include <command.h>
 
-#if (CONFIG_COMMANDS & CFG_CMD_DISPLAY) || defined(CONFIG_CMD_DISPLAY)
+#if defined(CONFIG_CMD_DISPLAY)
 
 #undef DEBUG_DISP