[TechDraw] Remove uneeded redefinitions of inherited functions

src/Mod/TechDraw/Gui/ViewProviderAnnotation.h

@@ -42,12 +42,7 @@ public:
     /// destructor
     virtual ~ViewProviderAnnotation();
 
-
-    virtual void attach(App::DocumentObject *);
-    virtual void setDisplayMode(const char* ModeName);
     virtual bool useNewSelectionModel(void) const {return false;}
-    /// returns a list of all possible modes
-    virtual std::vector<std::string> getDisplayModes(void) const;
     virtual void updateData(const App::Property*);
 
     virtual TechDraw::DrawViewAnnotation* getViewObject() const;