Rename old tq methods that no longer need a unique name

(cherry picked from commit cff8b50594)

kcpuload/kcpuload/statpopup.cpp

@@ -399,7 +399,7 @@ void StatPopup::paintEvent(TQPaintEvent*) {
 
     // Draw the text.
     p.setFont(font());
-    p.setPen(tqcolorGroup().foreground());
+    p.setPen(colorGroup().foreground());
     p.drawText(rect(), AlignHCenter | AlignVCenter, fullReading);
 }