Remove deprecated classes and functions in Date.

lib/compiler/implementation/scanner/source_list.dart

 // Copyright (c) 2012, 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.
 
 final List<String> argv = const <String>[
 '../lib/dom/common/implementation.dart',
 '../lib/dom/common/public.dart',
 '../lib/dom/dom.dart',
 '../lib/dom/scripts/idlparser.dart',
 '../lib/dom/scripts/idlparser_test.dart',
@@ skipping 58 matching lines @@
 '../corelib/src/num.dart',
 '../corelib/src/options.dart',
 '../corelib/src/pattern.dart',
 '../corelib/src/queue.dart',
 '../corelib/src/regexp.dart',
 '../corelib/src/set.dart',
 '../corelib/src/stopwatch.dart',
 '../corelib/src/string.dart',
 '../corelib/src/string_buffer.dart',
 '../corelib/src/strings.dart',
-'../corelib/src/time_zone.dart',
 '../lib/json/json.dart',
 '../lib/utf/utf.dart',
 '../lib/utf/utf_core.dart',
 '../lib/utf/utf8.dart',
 '../lib/utf/utf16.dart',
 '../lib/utf/utf32.dart',
 '../lib/uri/uri.dart',
 '../lib/isolate/isolate_api.dart',
 '../lib/isolate/isolate_frog.dart',
 '../lib/isolate/frog/isolateimpl.dart',
@@ skipping 288 matching lines @@
 './samples/ifrog.dart',
 './server/frog_server.dart',
 './server/toss.dart',
 './source.dart',
 './token.dart',
 './tokenizer.dart',
 './tokenizer.g.dart',
 './tree.dart',
 './tree.g.dart',
 './utils.dart'];