Fix hints and clean-up obsolete comment syntax (TBR)

pkg/analysis_server/lib/src/domain_analysis.dart

Index: pkg/analysis_server/lib/src/domain_analysis.dart
diff --git a/pkg/analysis_server/lib/src/domain_analysis.dart b/pkg/analysis_server/lib/src/domain_analysis.dart
index a84e05854bb802db03757108dd0a2dd705e2e752..88b07bdf9b1b0181d5672437651b50b303a23cf8 100644
--- a/pkg/analysis_server/lib/src/domain_analysis.dart
+++ b/pkg/analysis_server/lib/src/domain_analysis.dart
@@ -9,7 +9,6 @@ import 'package:analysis_server/plugin/analysis/analysis_domain.dart';
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/computer/computer_hover.dart';
 import 'package:analysis_server/src/constants.dart';
-import 'package:analysis_server/src/context_manager.dart';
 import 'package:analysis_server/src/domain_abstract.dart';
 import 'package:analysis_server/src/domains/analysis/navigation.dart';
 import 'package:analysis_server/src/domains/analysis/navigation_dart.dart';
@@ -453,16 +452,4 @@ class AnalysisDomainImpl implements AnalysisDomain {
       }
     }
   }
-
-  void _subscribeForContext(engine.AnalysisContext context) {
-    for (ResultDescriptor descriptor in controllers.keys) {
-      context.onResultChanged(descriptor).listen((result) {
-        StreamController<engine.ResultChangedEvent> controller =
-            controllers[result.descriptor];
-        if (controller != null) {
-          controller.add(result);
-        }
-      });
-    }
-  }
 }