Address commnets

Author: keertip

lib/src/model.dart

@@ -35,7 +35,7 @@ import 'package:analyzer/src/dart/element/handle.dart';
 import 'package:analyzer/src/dart/element/member.dart'
     show ExecutableMember, Member, ParameterMember;
 import 'package:analyzer/src/dart/sdk/sdk.dart';
-import 'package:analyzer/src/generated/engine.dart' hide AnalysisResult;
+import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/resolver.dart'
     show
@@ -6869,8 +6869,6 @@ class PackageBuilder {
       // TODO(jcollins-g): Make use of currently not existing API for managing
       //                   many AnalysisDrivers
       // TODO(jcollins-g): make use of DartProject isApi()
-      // TODO(keertip): Use summary 2 after fixing #2017
-      AnalysisDriver.useSummary2 = true;
       _driver = AnalysisDriver(
           scheduler,
           log,