internal: Protocol C++ Wraps + XDGOutput impl (#2733)

move to our own xdgoutput impl instead of wlr's

src/managers/XWaylandManager.hpp

@@ -26,10 +26,6 @@ class CHyprXWaylandManager {
     void          moveXWaylandWindow(CWindow*, const Vector2D&);
     void          checkBorders(CWindow*);
     Vector2D      getMaxSizeForWindow(CWindow*);
-    void          updateXWaylandScale();
-
-  private:
-    void setXWaylandScale(std::optional<double> scale);
 };
 
 inline std::unique_ptr<CHyprXWaylandManager> g_pXWaylandManager;