Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/IFrameElement.dartdoc

Index: lib/html/doc/interface/IFrameElement.dartdoc
diff --git a/lib/html/doc/interface/IFrameElement.dartdoc b/lib/html/doc/interface/IFrameElement.dartdoc
deleted file mode 100644
index 65a999b7819eaa02370a219f7008d0d739fab810..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/IFrameElement.dartdoc
+++ /dev/null
@@ -1,55 +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 HTMLIFrameElement
-interface IFrameElement extends Element default _Elements {
-
-  IFrameElement();
-
-  /** @domName HTMLIFrameElement.align */
-  String align;
-
-  /** @domName HTMLIFrameElement.contentWindow */
-  final Window contentWindow;
-
-  /** @domName HTMLIFrameElement.frameBorder */
-  String frameBorder;
-
-  /** @domName HTMLIFrameElement.height */
-  String height;
-
-  /** @domName HTMLIFrameElement.longDesc */
-  String longDesc;
-
-  /** @domName HTMLIFrameElement.marginHeight */
-  String marginHeight;
-
-  /** @domName HTMLIFrameElement.marginWidth */
-  String marginWidth;
-
-  /** @domName HTMLIFrameElement.name */
-  String name;
-
-  /** @domName HTMLIFrameElement.sandbox */
-  String sandbox;
-
-  /** @domName HTMLIFrameElement.scrolling */
-  String scrolling;
-
-  /** @domName HTMLIFrameElement.src */
-  String src;
-
-  /** @domName HTMLIFrameElement.srcdoc */
-  String srcdoc;
-
-  /** @domName HTMLIFrameElement.width */
-  String width;
-
-  /** @domName HTMLIFrameElement.getSVGDocument */
-  SVGDocument getSVGDocument();
-}