Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/Entry.dartdoc

-// 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.
-
-// WARNING:
-//   This file contains documentation that is merged into the real source.
-//   Do not make code changes here.
-
-/// @domName Entry
-interface Entry {
-
-  /** @domName Entry.filesystem */
-  final DOMFileSystem filesystem;
-
-  /** @domName Entry.fullPath */
-  final String fullPath;
-
-  /** @domName Entry.isDirectory */
-  final bool isDirectory;
-
-  /** @domName Entry.isFile */
-  final bool isFile;
-
-  /** @domName Entry.name */
-  final String name;
-
-  /** @domName Entry.copyTo */
-  void copyTo(DirectoryEntry parent, [String name, EntryCallback successCallback, ErrorCallback errorCallback]);
-
-  /** @domName Entry.getMetadata */
-  void getMetadata(MetadataCallback successCallback, [ErrorCallback errorCallback]);
-
-  /** @domName Entry.getParent */
-  void getParent([EntryCallback successCallback, ErrorCallback errorCallback]);
-
-  /** @domName Entry.moveTo */
-  void moveTo(DirectoryEntry parent, [String name, EntryCallback successCallback, ErrorCallback errorCallback]);
-
-  /** @domName Entry.remove */
-  void remove(VoidCallback successCallback, [ErrorCallback errorCallback]);
-
-  /** @domName Entry.toURL */
-  String toURL();
-}