Get rid of all the library tags.
R=kevmoo@google.com
Review URL: https://codereview.chromium.org//1582503003 .
diff --git a/lib/source_map_stack_trace.dart b/lib/source_map_stack_trace.dart
index 893135f..23aed77 100644
--- a/lib/source_map_stack_trace.dart
+++ b/lib/source_map_stack_trace.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 source_map_stack_trace;
-
import 'package:path/path.dart' as p;
import 'package:source_maps/source_maps.dart';
import 'package:stack_trace/stack_trace.dart';