fs/: Remove obsolete references to CONFIG_COMMANDS

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/fs/fdos/dev.c b/fs/fdos/dev.c
index 334d073..271d0e7 100644
--- a/fs/fdos/dev.c
+++ b/fs/fdos/dev.c
@@ -28,7 +28,7 @@
 #include "dos.h"
 #include "fdos.h"
 
-#if (CONFIG_COMMANDS & CFG_CMD_FDOS) || defined(CONFIG_CMD_FDOS)
+#if defined(CONFIG_CMD_FDOS)
 
 #define NB_HEADS        2
 #define NB_TRACKS       80