analysis_server: remove unused imports with shared prefixes

Bug: https://github.com/dart-lang/sdk/issues/38784
Change-Id: Ifd4df564247c08606841a0e22896d767da438a47
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/172740
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Samuel Rawlins <srawlins@google.com>

pkg/analysis_server/test/analysis/update_content_test.dart

@@ -8,7 +8,6 @@ import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analyzer/src/dart/analysis/driver.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart' as plugin;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
-import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 

pkg/analysis_server/test/domain_completion_test.dart

@@ -9,7 +9,6 @@ import 'package:analysis_server/src/provisional/completion/dart/completion_dart.
 import 'package:analysis_server/src/services/completion/dart/contribution_sorter.dart';
 import 'package:analyzer_plugin/protocol/protocol.dart' as plugin;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
-import 'package:analyzer_plugin/protocol/protocol_constants.dart' as plugin;
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';

pkg/analysis_server/test/edit/assists_test.dart

@@ -8,7 +8,6 @@ import 'package:analysis_server/src/plugin/plugin_manager.dart';
 import 'package:analyzer_plugin/protocol/protocol.dart' as plugin;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
-import 'package:analyzer_plugin/src/protocol/protocol_internal.dart' as plugin;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 

pkg/analysis_server/test/edit/fixes_test.dart

@@ -8,7 +8,6 @@ import 'package:analysis_server/src/plugin/plugin_manager.dart';
 import 'package:analyzer_plugin/protocol/protocol.dart' as plugin;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
-import 'package:analyzer_plugin/src/protocol/protocol_internal.dart' as plugin;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 

pkg/analysis_server/test/lsp/server_abstract.dart

@@ -23,7 +23,6 @@ import 'package:analyzer/src/test_utilities/mock_sdk.dart';
 import 'package:analyzer/src/test_utilities/package_config_file_builder.dart';
 import 'package:analyzer/src/test_utilities/resource_provider_mixin.dart';
 import 'package:analyzer_plugin/protocol/protocol.dart' as plugin;
-import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:analyzer_plugin/src/protocol/protocol_internal.dart' as plugin;
 import 'package:meta/meta.dart';
 import 'package:path/path.dart' as path;

pkg/analysis_server/test/plugin/protocol_dart_test.dart

@@ -4,14 +4,8 @@
 
 import 'package:analysis_server/plugin/protocol/protocol_dart.dart';
 import 'package:analyzer/dart/ast/ast.dart' as engine;
-import 'package:analyzer/dart/ast/visitor.dart' as engine;
 import 'package:analyzer/dart/element/element.dart' as engine;
-import 'package:analyzer/dart/element/type.dart' as engine;
-import 'package:analyzer/error/error.dart' as engine;
-import 'package:analyzer/src/dart/ast/utilities.dart' as engine;
 import 'package:analyzer/src/dart/element/element.dart' as engine;
-import 'package:analyzer/src/error/codes.dart' as engine;
-import 'package:analyzer/src/generated/source.dart' as engine;
 import 'package:analyzer/src/generated/testing/element_search.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:test/test.dart';

pkg/analysis_server/test/protocol_server_test.dart

@@ -9,9 +9,7 @@ import 'package:analysis_server/src/protocol_server.dart'
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analyzer/dart/analysis/results.dart';
 import 'package:analyzer/dart/analysis/session.dart';
-import 'package:analyzer/dart/ast/ast.dart' as engine;
 import 'package:analyzer/dart/element/element.dart' as engine;
-import 'package:analyzer/dart/element/type.dart' as engine;
 import 'package:analyzer/diagnostic/diagnostic.dart';
 import 'package:analyzer/error/error.dart' as engine;
 import 'package:analyzer/src/dart/analysis/results.dart' as engine;

pkg/analysis_server/test/src/domain_abstract_test.dart

@@ -6,7 +6,6 @@ import 'package:analysis_server/src/domain_abstract.dart';
 import 'package:analysis_server/src/plugin/plugin_manager.dart';
 import 'package:analysis_server/src/protocol_server.dart' hide Element;
 import 'package:analyzer_plugin/protocol/protocol.dart' as plugin;
-import 'package:analyzer_plugin/protocol/protocol_constants.dart' as plugin;
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';

pkg/analysis_server/test/src/plugin/notification_manager_test.dart

@@ -7,9 +7,7 @@ import 'package:analysis_server/protocol/protocol_generated.dart' as server;
 import 'package:analysis_server/src/channel/channel.dart';
 import 'package:analysis_server/src/plugin/notification_manager.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
-import 'package:analyzer_plugin/protocol/protocol.dart' as plugin;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
-import 'package:analyzer_plugin/protocol/protocol_constants.dart' as plugin;
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';

pkg/analysis_server/test/src/plugin/request_converter_test.dart

@@ -4,7 +4,6 @@
 
 import 'package:analysis_server/protocol/protocol_generated.dart' as server;
 import 'package:analysis_server/src/plugin/request_converter.dart';
-import 'package:analysis_server/src/protocol/protocol_internal.dart' as server;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:test/test.dart';

pkg/analysis_server/test/src/plugin/result_converter_test.dart

@@ -4,7 +4,6 @@
 
 import 'package:analysis_server/protocol/protocol_generated.dart' as server;
 import 'package:analysis_server/src/plugin/result_converter.dart';
-import 'package:analysis_server/src/protocol/protocol_internal.dart' as server;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:test/test.dart';