Get rid of all the library tags.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1577413003 .
diff --git a/lib/http_multi_server.dart b/lib/http_multi_server.dart
index 12b6e40..6c4e468 100644
--- a/lib/http_multi_server.dart
+++ b/lib/http_multi_server.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 http_multi_server;
-
 import 'dart:async';
 import 'dart:io';
 
diff --git a/lib/src/multi_headers.dart b/lib/src/multi_headers.dart
index fcd782c..a42280f 100644
--- a/lib/src/multi_headers.dart
+++ b/lib/src/multi_headers.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 http_multi_server.multi_headers;
-
 import 'dart:io';
 
 /// A class that delegates header access and setting to many [HttpHeaders]
diff --git a/lib/src/utils.dart b/lib/src/utils.dart
index 9e95aba..ceb5c82 100644
--- a/lib/src/utils.dart
+++ b/lib/src/utils.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 http_multi_server.utils;
-
 import 'dart:async';
 import 'dart:io';
 
diff --git a/test/http_multi_server_test.dart b/test/http_multi_server_test.dart
index 889a4cd..4aacab1 100644
--- a/test/http_multi_server_test.dart
+++ b/test/http_multi_server_test.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 http_multi_server.test;
-
 import 'dart:async';
 import 'dart:io';