Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/SharedWorkerContext.dartdoc

Index: lib/html/doc/interface/SharedWorkerContext.dartdoc
diff --git a/lib/html/doc/interface/SharedWorkerContext.dartdoc b/lib/html/doc/interface/SharedWorkerContext.dartdoc
deleted file mode 100644
index fb69da2bb5bf616f5697bd79b8bc2f0615956c8a..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/SharedWorkerContext.dartdoc
+++ /dev/null
@@ -1,24 +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 SharedWorkerContext
-interface SharedWorkerContext extends WorkerContext {
-
-  /**
-   * @domName EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent
-   */
-  SharedWorkerContextEvents get on();
-
-  /** @domName SharedWorkerContext.name */
-  final String name;
-}
-
-interface SharedWorkerContextEvents extends WorkerContextEvents {
-
-  EventListenerList get connect();
-}