Get rid of all the library tags.

test/server/invalid_request_test.dart

 // Copyright (c) 2014, 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.
 
-library json_rpc_2.test.server.invalid_request_test;
-
 import 'dart:convert';
 
 import 'package:test/test.dart';
 import 'package:json_rpc_2/error_code.dart' as error_code;
 import 'package:json_rpc_2/json_rpc_2.dart' as json_rpc;
 
 import 'utils.dart';
 
 void main() {
   var controller;
@@ skipping 60 matching lines @@
             '{"bad":"id"}.',
         'data': {'request': {
           'jsonrpc': '2.0',
           'method': 'foo',
           'id': {'bad': 'id'}
         }}
       }
     })));
   });
 }