Remove dead code

scene_xrender.cpp

@@ -45,27 +45,6 @@ namespace KWin
 // SceneXrender
 //****************************************
 
-// kDebug() support for the XserverRegion type
-struct RegionDebug {
-    RegionDebug(XserverRegion r) : rr(r) {}
-    XserverRegion rr;
-};
-
-QDebug& operator<<(QDebug& stream, RegionDebug r)
-{
-    if (r.rr == None)
-        return stream << "EMPTY";
-    int num;
-    XRectangle* rects = XFixesFetchRegion(display(), r.rr, &num);
-    if (rects == NULL || num == 0)
-        return stream << "EMPTY";
-    for (int i = 0;
-            i < num;
-            ++i)
-        stream << "[" << rects[ i ].x << "+" << rects[ i ].y << " " << rects[ i ].width << "x" << rects[ i ].height << "]";
-    return stream;
-}
-
 xcb_render_picture_t SceneXrender::buffer = XCB_RENDER_PICTURE_NONE;
 ScreenPaintData SceneXrender::screen_paint;