Revert "CSSTUDIO-3429 Call pane.layout() on the JavaFX Application Thread at a later point in time."

This reverts commit f6f64f6.

Author: abrahamwolk

app/display/representation-javafx/src/main/java/org/csstudio/display/builder/representation/javafx/widgets/ByteMonitorRepresentation.java

@@ -83,8 +83,6 @@ protected Pane createJFXNode() throws Exception
         horizontal = model_widget.propHorizontal().getValue();
         addLEDs(pane);
         pane.setManaged(false);
-        Platform.runLater(() -> pane.layout());
-
         return pane;
     }