Remove unnecessary logging from setHeightByRows in Escalator

client/src/main/java/com/vaadin/client/widgets/Escalator.java

         /*-{
             var vScroll = esc.@com.vaadin.client.widgets.Escalator::verticalScrollbar;
             var vScrollElem = vScroll.@com.vaadin.client.widget.escalator.ScrollbarBundle::getElement()();
-        
+
             var hScroll = esc.@com.vaadin.client.widgets.Escalator::horizontalScrollbar;
             var hScrollElem = hScroll.@com.vaadin.client.widget.escalator.ScrollbarBundle::getElement()();
-        
+
             return $entry(function(e) {
                 var target = e.target;
-        
+
                 // in case the scroll event was native (i.e. scrollbars were dragged, or
                 // the scrollTop/Left was manually modified), the bundles have old cache
                 // values. We need to make sure that the caches are kept up to date.
             return $entry(function(e) {
                 var deltaX = e.deltaX ? e.deltaX : -0.5*e.wheelDeltaX;
                 var deltaY = e.deltaY ? e.deltaY : -0.5*e.wheelDeltaY;
-        
+
                 // Delta mode 0 is in pixels; we don't need to do anything...
-        
+
                 // A delta mode of 1 means we're scrolling by lines instead of pixels
                 // We need to scale the number of lines by the default line height
                 if(e.deltaMode === 1) {
                     var brc = esc.@com.vaadin.client.widgets.Escalator::body;
                     deltaY *= brc.@com.vaadin.client.widgets.Escalator.AbstractRowContainer::getDefaultRowHeight()();
                 }
-        
+
                 // Other delta modes aren't supported
                 if((e.deltaMode !== undefined) && (e.deltaMode >= 2 || e.deltaMode < 0)) {
                     var msg = "Unsupported wheel delta mode \"" + e.deltaMode + "\"";
-        
+
                     // Print warning message
                     esc.@com.vaadin.client.widgets.Escalator::logWarning(*)(msg);
                 }
-        
+
                 // IE8 has only delta y
                 if (isNaN(deltaY)) {
                     deltaY = -0.5*e.wheelDelta;
                 }
-        
+
                 @com.vaadin.client.widgets.Escalator.JsniUtil::moveScrollFromEvent(*)(esc, deltaX, deltaY, e);
             });
         }-*/;
      * @see #setHeightMode(HeightMode)
      */
     public void setHeightByRows(double rows) throws IllegalArgumentException {
-        getLogger().warning("HeightByRows: " + rows);
         if (rows <= 0) {
             throw new IllegalArgumentException(
                     "The number of rows must be a positive number.");