Updating the samples page to reflect the examples that have been retired.

src/site/samples/solar/example/packages/browser/interop.js

Index: src/site/samples/solar/example/packages/browser/interop.js
diff --git a/src/site/samples/solar/example/packages/browser/interop.js b/src/site/samples/solar/example/packages/browser/interop.js
deleted file mode 100644
index d7c7de609292c8b55215268d380e23ffc6a76380..0000000000000000000000000000000000000000
--- a/src/site/samples/solar/example/packages/browser/interop.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// Type for remote proxies to Dart objects with dart2js.
-// WARNING: do not call this constructor or rely on it being
-// in the global namespace, as it may be removed.
-function DartObject(o) {
-  this.o = o;
-}