// removeOverflow_everyStory.jsx   
  
var d = app.activeDocument;  
for (var i = 0; i < d.stories.length; i++)  
{  
	if (d.stories.item(i).overflows)   
	{   
		var last_insp_tf = d.stories.item(i).textContainers[d.stories.item(i).textContainers.length-1].insertionPoints.lastItem();   
		var last_insp_st = d.stories.item(i).insertionPoints.lastItem();   
		var _overflowtext = d.stories.item(i).characters.itemByRange(last_insp_tf,  last_insp_st);   
		_overflowtext.remove();   
	}   
}