Remove more libraries directives from server

pkg/analysis_server/lib/src/status/element_writer.dart

Index: pkg/analysis_server/lib/src/status/element_writer.dart
diff --git a/pkg/analysis_server/lib/src/status/element_writer.dart b/pkg/analysis_server/lib/src/status/element_writer.dart
index 6f5649bb37ee119e11a8048e4fbd114e0233d9b2..91649a59a90be90a978510f9de9b87104721d663 100644
--- a/pkg/analysis_server/lib/src/status/element_writer.dart
+++ b/pkg/analysis_server/lib/src/status/element_writer.dart
@@ -2,8 +2,6 @@
 // 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.
 
-library analysis_server.src.status.element_writer;
-
 import 'dart:collection';
 import 'dart:convert';