Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/SelectElement.dartdoc

Index: lib/html/doc/interface/SelectElement.dartdoc
diff --git a/lib/html/doc/interface/SelectElement.dartdoc b/lib/html/doc/interface/SelectElement.dartdoc
deleted file mode 100644
index 8912f0cc7ac10cf82348ac38d4b22aafa1b24bf5..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/SelectElement.dartdoc
+++ /dev/null
@@ -1,77 +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 HTMLSelectElement
-interface SelectElement extends Element {
-
-  /** @domName HTMLSelectElement.autofocus */
-  bool autofocus;
-
-  /** @domName HTMLSelectElement.disabled */
-  bool disabled;
-
-  /** @domName HTMLSelectElement.form */
-  final FormElement form;
-
-  /** @domName HTMLSelectElement.labels */
-  final NodeList labels;
-
-  /** @domName HTMLSelectElement.length */
-  int length;
-
-  /** @domName HTMLSelectElement.multiple */
-  bool multiple;
-
-  /** @domName HTMLSelectElement.name */
-  String name;
-
-  /** @domName HTMLSelectElement.options */
-  final HTMLOptionsCollection options;
-
-  /** @domName HTMLSelectElement.required */
-  bool required;
-
-  /** @domName HTMLSelectElement.selectedIndex */
-  int selectedIndex;
-
-  /** @domName HTMLSelectElement.selectedOptions */
-  final HTMLCollection selectedOptions;
-
-  /** @domName HTMLSelectElement.size */
-  int size;
-
-  /** @domName HTMLSelectElement.type */
-  final String type;
-
-  /** @domName HTMLSelectElement.validationMessage */
-  final String validationMessage;
-
-  /** @domName HTMLSelectElement.validity */
-  final ValidityState validity;
-
-  /** @domName HTMLSelectElement.value */
-  String value;
-
-  /** @domName HTMLSelectElement.willValidate */
-  final bool willValidate;
-
-  /** @domName HTMLSelectElement.add */
-  void add(Element element, Element before);
-
-  /** @domName HTMLSelectElement.checkValidity */
-  bool checkValidity();
-
-  /** @domName HTMLSelectElement.item */
-  Node item(int index);
-
-  /** @domName HTMLSelectElement.namedItem */
-  Node namedItem(String name);
-
-  /** @domName HTMLSelectElement.setCustomValidity */
-  void setCustomValidity(String error);
-}