Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/DeprecatedPeerConnection.dartdoc

-// 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 DeprecatedPeerConnection
-interface DeprecatedPeerConnection extends EventTarget default _DeprecatedPeerConnectionFactoryProvider {
-
-  DeprecatedPeerConnection(String serverConfiguration, SignalingCallback signalingCallback);
-
-  /**
-   * @domName EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent
-   */
-  DeprecatedPeerConnectionEvents get on();
-
-  static final int ACTIVE = 2;
-
-  static final int CLOSED = 3;
-
-  static final int NEGOTIATING = 1;
-
-  static final int NEW = 0;
-
-  /** @domName DeprecatedPeerConnection.localStreams */
-  final MediaStreamList localStreams;
-
-  /** @domName DeprecatedPeerConnection.readyState */
-  final int readyState;
-
-  /** @domName DeprecatedPeerConnection.remoteStreams */
-  final MediaStreamList remoteStreams;
-
-  /** @domName DeprecatedPeerConnection.addEventListener */
-  void $dom_addEventListener(String type, EventListener listener, [bool useCapture]);
-
-  /** @domName DeprecatedPeerConnection.addStream */
-  void addStream(MediaStream stream);
-
-  /** @domName DeprecatedPeerConnection.close */
-  void close();
-
-  /** @domName DeprecatedPeerConnection.dispatchEvent */
-  bool $dom_dispatchEvent(Event event);
-
-  /** @domName DeprecatedPeerConnection.processSignalingMessage */
-  void processSignalingMessage(String message);
-
-  /** @domName DeprecatedPeerConnection.removeEventListener */
-  void $dom_removeEventListener(String type, EventListener listener, [bool useCapture]);
-
-  /** @domName DeprecatedPeerConnection.removeStream */
-  void removeStream(MediaStream stream);
-
-  /** @domName DeprecatedPeerConnection.send */
-  void send(String text);
-}
-
-interface DeprecatedPeerConnectionEvents extends Events {
-
-  EventListenerList get addStream();
-
-  EventListenerList get connecting();
-
-  EventListenerList get message();
-
-  EventListenerList get open();
-
-  EventListenerList get removeStream();
-
-  EventListenerList get stateChange();
-}