Remove the non-driver versions of several tests

pkg/analysis_server/test/services/refactoring/convert_getter_to_method_test.dart

Index: pkg/analysis_server/test/services/refactoring/convert_getter_to_method_test.dart
diff --git a/pkg/analysis_server/test/services/refactoring/convert_getter_to_method_test.dart b/pkg/analysis_server/test/services/refactoring/convert_getter_to_method_test.dart
index c15568b1d098177c96a03364e484b219c570c8c4..6d228a90315513ded38849de746201b418530e05 100644
--- a/pkg/analysis_server/test/services/refactoring/convert_getter_to_method_test.dart
+++ b/pkg/analysis_server/test/services/refactoring/convert_getter_to_method_test.dart
@@ -16,7 +16,6 @@ import 'abstract_refactoring.dart';
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(ConvertGetterToMethodTest);
-    defineReflectiveTests(ConvertGetterToMethodTest_Driver);
   });
 }
 
@@ -24,6 +23,9 @@ main() {
 class ConvertGetterToMethodTest extends RefactoringTest {
   ConvertGetterToMethodRefactoring refactoring;
 
+  @override
+  bool get enableNewAnalysisDriver => true;
+
   test_change_function() async {
     await indexTestUnit('''
 int get test => 42;
@@ -165,9 +167,3 @@ main() {
     _createRefactoringForElement(element);
   }
 }
-
-@reflectiveTest
-class ConvertGetterToMethodTest_Driver extends ConvertGetterToMethodTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-}