configs: remove unused CONFIG_COMMAND_HISTORY

$ git grep CONFIG_COMMAND_HISTORY
CHANGELOG:    CONFIG_COMMAND_HISTORY
include/configs/AP1000.h:#define CONFIG_COMMAND_HISTORY 1
include/configs/keymile-common.h:#define CONFIG_COMMAND_HISTORY         1
include/configs/manroland/common.h:#define CONFIG_COMMAND_HISTORY               1
$

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Acked-by: Heiko Schocher <hs@denx.de>

include/configs/AP1000.h

@@ -34,7 +34,6 @@
 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
 
 #define CONFIG_COMMAND_EDIT	1
-#define CONFIG_COMMAND_HISTORY	1
 #define CONFIG_COMPLETE_ADDRESSES 1
 
 #define CONFIG_ENV_IS_IN_FLASH	1

include/configs/keymile-common.h

@@ -68,7 +68,6 @@
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size  */
 #define CONFIG_CMDLINE_EDITING		1	/* add command line history     */
-#define CONFIG_COMMAND_HISTORY		1
 #define CONFIG_AUTO_COMPLETE		/* add autocompletion support	*/
 
 #define CONFIG_HUSH_INIT_VAR	1

include/configs/manroland/common.h

@@ -126,7 +126,6 @@
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args*/
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 #define CONFIG_CMDLINE_EDITING		1	/* add command line history */
-#define CONFIG_COMMAND_HISTORY		1
 #define CONFIG_AUTO_COMPLETE		/* add autocompletion support	*/
 
 /* Enable an alternate, more extensive memory test */