Remove some unused imports

Change-Id: Icb593d0ab2d9044fe1b083c782cf504d6c519493
Reviewed-on: https://dart-review.googlesource.com/c/89443
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
diff --git a/pkg/analyzer/lib/src/workspace/basic.dart b/pkg/analyzer/lib/src/workspace/basic.dart
index 89b270f..0b177f0 100644
--- a/pkg/analyzer/lib/src/workspace/basic.dart
+++ b/pkg/analyzer/lib/src/workspace/basic.dart
@@ -4,10 +4,6 @@
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/src/context/builder.dart';
-import 'package:analyzer/src/generated/sdk.dart';
-import 'package:analyzer/src/generated/source.dart';
-import 'package:analyzer/src/source/package_map_resolver.dart';
-import 'package:analyzer/src/summary/package_bundle_reader.dart';
 import 'package:analyzer/src/workspace/simple.dart';
 import 'package:analyzer/src/workspace/workspace.dart';
 import 'package:package_config/packages.dart';
diff --git a/pkg/analyzer/lib/src/workspace/pub.dart b/pkg/analyzer/lib/src/workspace/pub.dart
index f89937c..3cfbe59 100644
--- a/pkg/analyzer/lib/src/workspace/pub.dart
+++ b/pkg/analyzer/lib/src/workspace/pub.dart
@@ -4,10 +4,6 @@
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/src/context/builder.dart';
-import 'package:analyzer/src/generated/sdk.dart';
-import 'package:analyzer/src/generated/source.dart';
-import 'package:analyzer/src/source/package_map_resolver.dart';
-import 'package:analyzer/src/summary/package_bundle_reader.dart';
 import 'package:analyzer/src/workspace/simple.dart';
 import 'package:analyzer/src/workspace/workspace.dart';
 import 'package:package_config/packages.dart';