Remove fling, deftserver (used only by fling), and commons-codec

client/fling/fling.gypi

-# 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.
-
-{
-  'variables': {
-    'fling_sources': [
-      'fling/src/java/core/com/google/dart/CompileError.java',
-      'fling/src/java/core/com/google/dart/CompileResult.java',
-      'fling/src/java/core/com/google/dart/CompileService.java',
-      'fling/src/java/core/com/google/dart/fling/Environment.java',
-      'fling/src/java/core/com/google/dart/fling/Fling.java',
-      'fling/src/java/core/com/google/dart/fling/Http.java',
-      'fling/src/java/core/com/google/dart/fling/MessageLoop.java',
-      'fling/src/java/core/com/google/dart/fling/PrefixTree.java',
-      'fling/src/java/core/com/google/dart/fling/RhinoUtil.java',
-      'fling/src/java/core/com/google/dart/LibraryFromSources.java',
-      'fling/src/java/core/com/google/dart/SourceFromString.java',
-      'fling/src/java/test/com/google/dart/fling/MessageLoopTest.java',
-    ],
-    'fling_resources': [
-    ],
-  },
-}