Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/DatabaseSync.dartdoc

Index: lib/html/doc/interface/DatabaseSync.dartdoc
diff --git a/lib/html/doc/interface/DatabaseSync.dartdoc b/lib/html/doc/interface/DatabaseSync.dartdoc
deleted file mode 100644
index 55239864236e9ecb3be38f20d5435332932278eb..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/DatabaseSync.dartdoc
+++ /dev/null
@@ -1,26 +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 DatabaseSync
-interface DatabaseSync {
-
-  /** @domName DatabaseSync.lastErrorMessage */
-  final String lastErrorMessage;
-
-  /** @domName DatabaseSync.version */
-  final String version;
-
-  /** @domName DatabaseSync.changeVersion */
-  void changeVersion(String oldVersion, String newVersion, [SQLTransactionSyncCallback callback]);
-
-  /** @domName DatabaseSync.readTransaction */
-  void readTransaction(SQLTransactionSyncCallback callback);
-
-  /** @domName DatabaseSync.transaction */
-  void transaction(SQLTransactionSyncCallback callback);
-}