common/cmd_mem.c: remove nested #if defined(CONFIG_CMD_MEMORY)

Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>

common/cmd_mem.c

@@ -1227,7 +1227,6 @@ int do_unzip ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 
 /**************************************************/
-#if defined(CONFIG_CMD_MEMORY)
 U_BOOT_CMD(
 	md,	3,	1,	do_mem_md,
 	"md	- memory display\n",
@@ -1338,4 +1337,3 @@ U_BOOT_CMD(
 #endif /* CONFIG_CMD_UNZIP */
 
 #endif
-#endif