Remove an unused request and the associated type

pkg/analyzer_plugin/test/integration/support/integration_test_methods.dart

 // Copyright (c) 2017, 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.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/tool/spec/generate_files".
 
 /**
  * Convenience methods for running integration tests
@@ skipping 208 matching lines @@
    *   be re-analyzed.
    */
   Future sendAnalysisReanalyze({List<String> roots}) async {
     var params = new AnalysisReanalyzeParams(roots: roots).toJson();
     var result = await server.send("analysis.reanalyze", params);
     outOfTestExpect(result, isNull);
     return null;
   }
 
   /**
-   * Used to set the options used to build analysis contexts. This request will
-   * be sent exactly once before any context roots have been specified.
-   *
-   * Parameters
-   *
-   * options: ContextBuilderOptions
-   *
-   *   The options used to build the analysis contexts.
-   */
-  Future sendAnalysisSetContextBuilderOptions(
-      ContextBuilderOptions options) async {
-    var params = new AnalysisSetContextBuilderOptionsParams(options).toJson();
-    var result = await server.send("analysis.setContextBuilderOptions", params);
-    outOfTestExpect(result, isNull);
-    return null;
-  }
-
-  /**
    * Set the list of context roots that should be analyzed.
    *
    * Parameters
    *
    * roots: List<ContextRoot>
    *
    *   A list of the context roots that should be analyzed.
    */
   Future sendAnalysisSetContextRoots(List<ContextRoot> roots) async {
     var params = new AnalysisSetContextRootsParams(roots).toJson();
@@ skipping 557 matching lines @@
         outOfTestExpect(params, isAnalysisOutlineParams);
         _onAnalysisOutline
             .add(new AnalysisOutlineParams.fromJson(decoder, 'params', params));
         break;
       default:
         fail('Unexpected notification: $event');
         break;
     }
   }
 }