package/ipmitool: drop ncurses dependency

ncurses is not a dependency since bump to version 1.8.19 in commit
8317065ecb4979fe43c466f7e5a7f6dc281bd10d and
https://github.com/ipmitool/ipmitool/commit/63dd71c39c9bf522ad3a785dd001737a285458eb

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/ipmitool/Config.in

@@ -32,7 +32,6 @@ config BR2_PACKAGE_IPMITOOL_IPMIEVD
 
 config BR2_PACKAGE_IPMITOOL_IPMISHELL
 	bool "ipmishell"
-	select BR2_PACKAGE_NCURSES
 	select BR2_PACKAGE_READLINE
 	help
 	  IPMI shell interface

package/ipmitool/ipmitool.mk

@@ -34,7 +34,7 @@ IPMITOOL_CONF_OPTS += --disable-intf-usb
 endif
 
 ifeq ($(BR2_PACKAGE_IPMITOOL_IPMISHELL),y)
-IPMITOOL_DEPENDENCIES += ncurses readline
+IPMITOOL_DEPENDENCIES += readline
 IPMITOOL_CONF_OPTS += --enable-ipmishell
 else
 IPMITOOL_CONF_OPTS += --disable-ipmishell