Delete proxy and total samples, which have bit-rotted.

samples/total/client/Total.dart

Index: samples/total/client/Total.dart
===================================================================
--- samples/total/client/Total.dart	(revision 9011)
+++ samples/total/client/Total.dart	(working copy)
@@ -1,24 +0,0 @@
-// Copyright (c) 2011, 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.
-
-#library("Total");
-#import("dart:html");
-#import("TotalLib.dart");
-
-void main() {
-  // Instantiate the app
-  new Total().run();
-
-  document.on.keyDown.add((KeyboardEvent event) {
-    // TODO: Browsers need to fix the keyCode/keyIdentifier situation.
-    if (event.ctrlKey && event.keyCode == 68 /* d */) {
-      Element db = document.query('#debugbar');
-      if (db.classes.contains('on')) {
-        db.classes.remove('on');
-      } else {
-        db.classes.add('on');
-      }
-    }
-  }, false);
-}