move OpType into dart folder

pkg/analysis_server/test/services/completion/test_all.dart

Index: pkg/analysis_server/test/services/completion/test_all.dart
diff --git a/pkg/analysis_server/test/services/completion/test_all.dart b/pkg/analysis_server/test/services/completion/test_all.dart
index d6b119e189d621c8309ee6639bb8b67ea20c5bad..f219ddaac6a2106824c96369867be21dbd63d310 100644
--- a/pkg/analysis_server/test/services/completion/test_all.dart
+++ b/pkg/analysis_server/test/services/completion/test_all.dart
@@ -9,7 +9,6 @@ import 'package:unittest/unittest.dart';
 import '../../utils.dart';
 import 'completion_target_test.dart' as completion_target_test;
 import 'dart/test_all.dart' as dart_contributor_tests;
-import 'optype_test.dart' as optype_test;
 
 /// Utility for manually running all tests.
 main() {
@@ -17,6 +16,5 @@ main() {
   group('completion', () {
     completion_target_test.main();
     dart_contributor_tests.main();
-    optype_test.main();
   });
 }