Get rid of all the library tags.

R=kevmoo@google.com

Review URL: https://codereview.chromium.org//1583693002 .
diff --git a/lib/shelf_static.dart b/lib/shelf_static.dart
index cc70247..0d95129 100644
--- a/lib/shelf_static.dart
+++ b/lib/shelf_static.dart
@@ -2,6 +2,4 @@
 // 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 shelf_static;
-
 export 'src/static_handler.dart';
diff --git a/lib/src/directory_listing.dart b/lib/src/directory_listing.dart
index f1df7e3..8339fb9 100644
--- a/lib/src/directory_listing.dart
+++ b/lib/src/directory_listing.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 shelf_static.directory_listing;
-
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
diff --git a/lib/src/static_handler.dart b/lib/src/static_handler.dart
index c0afeb4..a8e7101 100644
--- a/lib/src/static_handler.dart
+++ b/lib/src/static_handler.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 shelf_static.static_handler;
-
 import 'dart:io';
 
 import 'package:http_parser/http_parser.dart';
diff --git a/lib/src/util.dart b/lib/src/util.dart
index 5db5e92..2c1a16a 100644
--- a/lib/src/util.dart
+++ b/lib/src/util.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 shelf_static.util;
-
 DateTime toSecondResolution(DateTime dt) {
   if (dt.millisecond == 0) return dt;
   return dt.subtract(new Duration(milliseconds: dt.millisecond));
diff --git a/test/alternative_root_test.dart b/test/alternative_root_test.dart
index eb6bfd7..28ae4e8 100644
--- a/test/alternative_root_test.dart
+++ b/test/alternative_root_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 shelf_static.alternative_root_test;
-
 import 'dart:io';
 import 'package:scheduled_test/descriptor.dart' as d;
 import 'package:scheduled_test/scheduled_test.dart';
diff --git a/test/basic_file_test.dart b/test/basic_file_test.dart
index 795e2db..c8bda81 100644
--- a/test/basic_file_test.dart
+++ b/test/basic_file_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 shelf_static.basic_file_test;
-
 import 'dart:io';
 import 'package:http_parser/http_parser.dart';
 import 'package:path/path.dart' as p;
diff --git a/test/default_document_test.dart b/test/default_document_test.dart
index e703bd4..0ec133f 100644
--- a/test/default_document_test.dart
+++ b/test/default_document_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 shelf_static.default_document_test;
-
 import 'dart:io';
 //import 'package:http_parser/http_parser.dart';
 //import 'package:path/path.dart' as p;
diff --git a/test/directory_listing_test.dart b/test/directory_listing_test.dart
index ad2b811..93ce260 100644
--- a/test/directory_listing_test.dart
+++ b/test/directory_listing_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 shelf_static.directory_listing_test;
-
 import 'dart:io';
 
 import 'package:scheduled_test/descriptor.dart' as d;
diff --git a/test/get_handler_test.dart b/test/get_handler_test.dart
index 1659a0e..c957001 100644
--- a/test/get_handler_test.dart
+++ b/test/get_handler_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 shelf_static.get_handler_test;
-
 import 'dart:io';
 import 'package:path/path.dart' as p;
 import 'package:scheduled_test/descriptor.dart' as d;
diff --git a/test/sample_test.dart b/test/sample_test.dart
index ab7878f..cf4892d 100644
--- a/test/sample_test.dart
+++ b/test/sample_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 shelf_static.sample_test;
-
 import 'dart:async';
 import 'dart:io';
 
diff --git a/test/symbolic_link_test.dart b/test/symbolic_link_test.dart
index 6e9d956..4a655d6 100644
--- a/test/symbolic_link_test.dart
+++ b/test/symbolic_link_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 shelf_static.symbolic_link_test;
-
 import 'dart:io';
 import 'package:path/path.dart' as p;
 import 'package:scheduled_test/descriptor.dart' as d;
diff --git a/test/test_all.dart b/test/test_all.dart
index d2bd3fe..e2529f4 100644
--- a/test/test_all.dart
+++ b/test/test_all.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 shelf_static.test_all;
-
 import 'package:scheduled_test/scheduled_test.dart';
 
 import 'alternative_root_test.dart' as alternative_root;
diff --git a/test/test_util.dart b/test/test_util.dart
index b96abce..51652e5 100644
--- a/test/test_util.dart
+++ b/test/test_util.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 shelf_static.test_util;
-
 import 'dart:async';
 
 import 'package:path/path.dart' as p;