fs/: Remove obsolete references to CONFIG_COMMANDS

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/fs/fdos/subdir.c b/fs/fdos/subdir.c
index deaccf1..497f554 100644
--- a/fs/fdos/subdir.c
+++ b/fs/fdos/subdir.c
@@ -26,7 +26,7 @@
 #include <config.h>
 #include <malloc.h>
 
-#if (CONFIG_COMMANDS & CFG_CMD_FDOS) || defined(CONFIG_CMD_FDOS)
+#if defined(CONFIG_CMD_FDOS)
 
 #include "dos.h"
 #include "fdos.h"