(flight) fix clearCompleted bug.

dependency-examples/flight/app/js/data/todos.js

@@ -77,11 +77,10 @@ define([
 		};
 
 		this.clearCompleted = function () {
-			var todos;
-
 			dataStore.destroyAll({ completed: true });
-			todos = dataStore.all();
-			this.trigger('dataClearedCompleted', { todos: todos });
+
+			this.trigger('uiFilterRequested', { filter: filter });
+			this.trigger('dataClearedCompleted');
 		};
 
 		this.after('initialize', function () {

dependency-examples/flight/app/js/ui/todo_list.js

@@ -86,7 +86,6 @@ define([
 			this.on(document, 'dataTodoAdded', this.render);
 			this.on(document, 'dataTodosLoaded', this.renderAll);
 			this.on(document, 'dataTodosFiltered', this.renderAll);
-			this.on(document, 'dataClearedCompleted', this.renderAll);
 			this.on(document, 'dataTodoToggledAll', this.renderAll);
 			this.on(document, 'dataTodoRemoved', this.remove);