Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/OESVertexArrayObject.dartdoc

Index: lib/html/doc/interface/OESVertexArrayObject.dartdoc
diff --git a/lib/html/doc/interface/OESVertexArrayObject.dartdoc b/lib/html/doc/interface/OESVertexArrayObject.dartdoc
deleted file mode 100644
index 71e1022ad83fd272b337d3b81216415c5a581d95..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/OESVertexArrayObject.dartdoc
+++ /dev/null
@@ -1,25 +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 OESVertexArrayObject
-interface OESVertexArrayObject {
-
-  static final int VERTEX_ARRAY_BINDING_OES = 0x85B5;
-
-  /** @domName OESVertexArrayObject.bindVertexArrayOES */
-  void bindVertexArrayOES(WebGLVertexArrayObjectOES arrayObject);
-
-  /** @domName OESVertexArrayObject.createVertexArrayOES */
-  WebGLVertexArrayObjectOES createVertexArrayOES();
-
-  /** @domName OESVertexArrayObject.deleteVertexArrayOES */
-  void deleteVertexArrayOES(WebGLVertexArrayObjectOES arrayObject);
-
-  /** @domName OESVertexArrayObject.isVertexArrayOES */
-  bool isVertexArrayOES(WebGLVertexArrayObjectOES arrayObject);
-}