Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/MediaQueryList.dartdoc

Index: lib/html/doc/interface/MediaQueryList.dartdoc
diff --git a/lib/html/doc/interface/MediaQueryList.dartdoc b/lib/html/doc/interface/MediaQueryList.dartdoc
deleted file mode 100644
index 52ffed1edbb61c7fdcf04dd578c7d82a4d4d3b59..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/MediaQueryList.dartdoc
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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 MediaQueryList
-interface MediaQueryList {
-
-  /** @domName MediaQueryList.matches */
-  final bool matches;
-
-  /** @domName MediaQueryList.media */
-  final String media;
-
-  /** @domName MediaQueryList.addListener */
-  void addListener(MediaQueryListListener listener);
-
-  /** @domName MediaQueryList.removeListener */
-  void removeListener(MediaQueryListListener listener);
-}