Drop config_cmd_all.h

This file does not include all commands and has not for a while. Let's
drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

README

@@ -757,11 +757,6 @@ The following options need to be configured:
 		CONFIG_SYS_BAUDRATE_TABLE, see below.
 
 - Monitor Functions:
-		Monitor commands can be included or excluded
-		from the build by using the #include files
-		<config_cmd_all.h> and #undef'ing unwanted
-		commands, or adding #define's for wanted commands.
-
 		The default command configuration includes all commands
 		except those marked below with a "*".
 

include/config_cmd_all.h

-/*
- * Copyright 2007 Freescale Semiconductor, Inc.
- *
- * This file is licensed under the terms of the GNU General Public
- * License Version 2. This file is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef _CONFIG_CMD_ALL_H
-#define _CONFIG_CMD_ALL_H
-
-/*
- * Alphabetical list of all possible commands.
- */
-
-#endif	/* _CONFIG_CMD_ALL_H */