kconfig: qconf: do not show goParent button in split view

When a menu is selected in the split view, the right pane displays the
goParent button, but it is never functional.

This is unnecessary, as you can select a menu from the menu tree in the
left pane.

Signed-off-by: Masahiro Yamada <[email protected]>

Author: masahir0y

scripts/kconfig/qconf.cc

@@ -436,8 +436,7 @@ void ConfigList::updateList()
 		return;
 	}
 
-	if (rootEntry != &rootmenu && (mode == singleMode ||
-	    (mode == symbolMode && rootEntry->parent != &rootmenu))) {
+	if (rootEntry != &rootmenu && mode == singleMode) {
 		item = (ConfigItem *)topLevelItem(0);
 		if (!item)
 			item = new ConfigItem(this, 0, true);