Remove library tags, they aren't needed

lib/src/info.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // 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.
 
 /// Defines static information collected by the type checker and used later by
 /// emitters to generate code.
-library dev_compiler.src.info;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/parser.dart';
 
 import 'utils.dart' as utils;
 import 'package:analyzer/src/task/strong/info.dart';
 export 'package:analyzer/src/task/strong/info.dart';
 
 /// Represents a summary of the results collected by running the program
@@ skipping 76 matching lines @@
   // TODO(jmesserly): as a workaround for analyzer <0.26.0-alpha.1.
   // ResolutionCopier won't copy the type, so we do it here.
   @override
   AwaitExpression visitAwaitExpression(AwaitExpression node) {
     var clone = super.visitAwaitExpression(node);
     clone.staticType = node.staticType;
     clone.propagatedType = node.propagatedType;
     return clone;
   }
 }