Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/NodeSelector.dartdoc

Index: lib/html/doc/interface/NodeSelector.dartdoc
diff --git a/lib/html/doc/interface/NodeSelector.dartdoc b/lib/html/doc/interface/NodeSelector.dartdoc
deleted file mode 100644
index 8f632d4822a145bed9adb7737ed993cc019a571a..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/NodeSelector.dartdoc
+++ /dev/null
@@ -1,22 +0,0 @@
-// 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.
-
-// WARNING:
-//   This file contains documentation that is merged into the real source.
-//   Do not make code changes here.
-
-/// @domName NodeSelector
-interface NodeSelector {
-
-  // TODO(nweiz): add this back once DocumentFragment is ported.
-  // ElementList queryAll(String selectors);
-
-
-  /** @domName NodeSelector.querySelector */
-  Element querySelector(String selectors);
-
-  /** @domName NodeSelector.querySelectorAll */
-  NodeList querySelectorAll(String selectors);
-
-}