Remove unnecessary KAppX11HackWidget class

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

tdecore/tdeapplication.cpp

@@ -1902,14 +1902,6 @@ TDEApplication::~TDEApplication()
 }
 
 
-#ifdef TQ_WS_X11
-class KAppX11HackWidget: public TQWidget
-{
-public:
-    bool publicx11Event( XEvent * e) { return x11Event( e ); }
-};
-#endif
-
 #if defined(TQ_WS_X11) && defined(COMPOSITE)
 bool TDEApplication::isCompositionManagerAvailable() {
 	bool have_manager = false;
@@ -2184,7 +2176,7 @@ bool TDEApplication::x11EventFilter( XEvent *_event )
 
     if (x11Filter) {
         for (TQWidget *w=x11Filter->first(); w; w=x11Filter->next()) {
-            if (((KAppX11HackWidget*) w)->publicx11Event(_event))
+            if (w->x11Event(_event))
                 return true;
         }
     }