kconfig: qconf: remove 'parent' from ConfigList::updateMenuList()

All the call-sites of this function pass 'this' to the first argument.

So, 'parent' is always the 'this' pointer.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/kconfig/qconf.h

@@ -102,7 +102,7 @@ public:
 	bool menuSkip(struct menu *);
 
 	void updateMenuList(ConfigItem *parent, struct menu*);
-	void updateMenuList(ConfigList *parent, struct menu*);
+	void updateMenuList(struct menu *menu);
 
 	bool updateAll;