Remove the analysus.reanalyze request from the plugin API

pkg/analysis_server/test/analysis/reanalyze_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.
 
 import 'dart:async';
 
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_constants.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
@@ skipping 54 matching lines @@
     await _resultsAvailable.future;
     // The file should have been reanalyzed.
     expect(filesErrors, contains(testFile));
     // Verify that the syntax error is present (this indicates that the
     // content introduced by the call to updateContent is still in effect).
     {
       List<AnalysisError> errors = filesErrors[testFile];
       expect(errors, hasLength(1));
     }
   }
-
-  test_sentToPlugins() async {
-    createProject();
-    Request request = new Request("0", ANALYSIS_REQUEST_REANALYZE);
-    handleSuccessfulRequest(request);
-    // verify
-    expect(pluginManager.broadcastedRequest, isNotNull);
-  }
 }