Remove unneeded _IN_SDK stuff in dartdoc.

tools/create_sdk.py

 #!/usr/bin/env python
 #
 # 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.
 #
 # A script which will be invoked from gyp to create an SDK.
 #
 # Usage: create_sdk.py sdk_directory
 #
@@ skipping 238 matching lines @@
 
   ReplaceInFiles(
         [join(LIB, '_internal', 'libraries.dart')],
         [('"compiler/', '"../pkg/compiler/')])
 
   ReplaceInFiles(
         [join(PKG, 'compiler', 'implementation', 'lib', 'io.dart')],
         [('../../runtime/bin', '../../lib/io/runtime')])
 
   # Fixup dartdoc
-  ReplaceInFiles([
-      join(PKG, 'dartdoc', 'bin', 'dartdoc.dart'),
-    ], [
-      ("final bool _IN_SDK = false;",
-       "final bool _IN_SDK = true;"),
-    ])
-
   # TODO(dgrove): Remove this once issue 4788 is addressed.
   ReplaceInFiles([
       join(PKG, 'dartdoc', 'lib', 'src', 'mirrors', 'dart2js_mirror.dart'),
       join(PKG, 'dartdoc', 'lib', 'mirrors_util.dart'),
       join(PKG, 'dartdoc', 'lib', 'classify.dart'),
       join(PKG, 'dartdoc', 'lib', 'src', 'client', 'client-live-nav.dart'),
       join(PKG, 'dartdoc', 'lib', 'src', 'client', 'client-static.dart'),
       join(PKG, 'dartdoc', 'lib', 'dartdoc.dart'),
     ], [
       ("../../lib/compiler",
@@ skipping 37 matching lines @@
   if revision is not None:
     with open(os.path.join(SDK_tmp, 'revision'), 'w') as f:
       f.write(revision + '\n')
       f.close()
 
   move(SDK_tmp, SDK)
   utils.Touch(os.path.join(SDK, 'create.stamp'))
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))