Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/ImageElement.dartdoc

Index: lib/html/doc/interface/ImageElement.dartdoc
diff --git a/lib/html/doc/interface/ImageElement.dartdoc b/lib/html/doc/interface/ImageElement.dartdoc
deleted file mode 100644
index 75ff2eb8b1611f8a9dcf7e92f12b7a3b5e457f5f..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/ImageElement.dartdoc
+++ /dev/null
@@ -1,70 +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 HTMLImageElement
-interface ImageElement extends Element default _Elements {
-
-  ImageElement([String src, int height, int width]);
-
-  /** @domName HTMLImageElement.align */
-  String align;
-
-  /** @domName HTMLImageElement.alt */
-  String alt;
-
-  /** @domName HTMLImageElement.border */
-  String border;
-
-  /** @domName HTMLImageElement.complete */
-  final bool complete;
-
-  /** @domName HTMLImageElement.crossOrigin */
-  String crossOrigin;
-
-  /** @domName HTMLImageElement.height */
-  int height;
-
-  /** @domName HTMLImageElement.hspace */
-  int hspace;
-
-  /** @domName HTMLImageElement.isMap */
-  bool isMap;
-
-  /** @domName HTMLImageElement.longDesc */
-  String longDesc;
-
-  /** @domName HTMLImageElement.lowsrc */
-  String lowsrc;
-
-  /** @domName HTMLImageElement.name */
-  String name;
-
-  /** @domName HTMLImageElement.naturalHeight */
-  final int naturalHeight;
-
-  /** @domName HTMLImageElement.naturalWidth */
-  final int naturalWidth;
-
-  /** @domName HTMLImageElement.src */
-  String src;
-
-  /** @domName HTMLImageElement.useMap */
-  String useMap;
-
-  /** @domName HTMLImageElement.vspace */
-  int vspace;
-
-  /** @domName HTMLImageElement.width */
-  int width;
-
-  /** @domName HTMLImageElement.x */
-  final int x;
-
-  /** @domName HTMLImageElement.y */
-  final int y;
-}