Get rid of all the library tags.

lib/src/eager_span_scanner.dart

Index: lib/src/eager_span_scanner.dart
diff --git a/lib/src/eager_span_scanner.dart b/lib/src/eager_span_scanner.dart
index 3fae5cca7cfdefa1017b8b6298d1680df1f8f34e..c537b0cd6f5ef5a3c0ad77fa308de53df007a8c3 100644
--- a/lib/src/eager_span_scanner.dart
+++ b/lib/src/eager_span_scanner.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 string_scanner.eager_span_scanner;
-
 import 'package:charcode/ascii.dart';
 
 import 'line_scanner.dart';