Rename old tq methods that no longer need a unique name

(cherry picked from commit 7799395a85)

knetload/statpopup.cpp

@@ -424,7 +424,7 @@ void StatPopup::paintEvent(TQPaintEvent*) {
 
     // Draw the text.
     p.setFont(font());
-    p.setPen(tqcolorGroup().foreground());
+    p.setPen(colorGroup().foreground());
     p.drawText(rect(), AlignHCenter | AlignVCenter, fullReading);
 }