GUI2/Styled Widget: removed now-unnecessary friend declaration for th…

…e window class

The refactoring referred to in the comments has now been done (ea15d45).

src/gui/widgets/styled_widget.hpp

@@ -182,17 +182,6 @@ class styled_widget : public widget
 
 	/***** ***** ***** ***** Inherited ***** ***** ***** *****/
 
-private:
-	/**
-	 * Uses the load function.
-	 *
-	 * @note This doesn't look really clean, but the final goal is refactor
-	 * more code and call load_config in the ctor, removing the use case for
-	 * the window. That however is a longer termine refactoring.
-	 */
-	friend class window;
-
-public:
 	/** See @ref widget::find_at. */
 	virtual widget* find_at(const point& coordinate,
 							 const bool must_be_active) override;