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

samples/total/client/Logger.dart

Index: samples/total/client/Logger.dart
===================================================================
--- samples/total/client/Logger.dart	(revision 9011)
+++ samples/total/client/Logger.dart	(working copy)
@@ -1,13 +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.
-
-class Logger {
-  static void log(Object message) {
-    print(message.toString());
-  }
-
-  static void error(Object message) {
-    print("ERROR: ${message}");
-  }
-}