Make stocks-fn match the style for the Sky SDK

sky/examples/stocks-fn/stocklist.dart

Index: sky/examples/stocks-fn/stocklist.dart
diff --git a/sky/examples/stocks-fn/stocklist.dart b/sky/examples/stocks-fn/stocklist.dart
deleted file mode 100644
index f7330d130bba600d55917c97889d5609fd72d82b..0000000000000000000000000000000000000000
--- a/sky/examples/stocks-fn/stocklist.dart
+++ /dev/null
@@ -1,22 +0,0 @@
-part of stocksapp;
-
-class Stocklist extends FixedHeightScrollable {
-  String query;
-  List<Stock> stocks;
-
-  Stocklist({
-    Object key,
-    this.stocks,
-    this.query
-  }) : super(key: key, scrollBehavior: new OverscrollBehavior());
-
-  List<Node> buildItems(int start, int count) {
-    return stocks
-      .skip(start)
-      .where((stock) => query == null || stock.symbol.contains(
-          new RegExp(query, caseSensitive: false)))
-      .take(count)
-      .map((stock) => new StockRow(stock: stock))
-      .toList(growable: false);
-  }
-}