Clean up flags for conditional directives

pkg/analyzer/test/src/task/options_test.dart

Index: pkg/analyzer/test/src/task/options_test.dart
diff --git a/pkg/analyzer/test/src/task/options_test.dart b/pkg/analyzer/test/src/task/options_test.dart
index 05c5713262774c4b0dab20d4542aa8ab38bcfeaf..880479d5269af2716ac23a9bcd295654dcd4c9d3 100644
--- a/pkg/analyzer/test/src/task/options_test.dart
+++ b/pkg/analyzer/test/src/task/options_test.dart
@@ -67,16 +67,6 @@ analyzer:
     expect(analysisOptions.enableAsync, false);
   }
 
-  test_configure_enableConditionalDirectives() {
-    expect(analysisOptions.enableConditionalDirectives, true);
-    configureContext('''
-analyzer:
-  language:
-    enableConditionalDirectives: true
-''');
-    expect(analysisOptions.enableConditionalDirectives, true);
-  }
-
   test_configure_enableGenericMethods() {
     expect(analysisOptions.enableGenericMethods, false);
     configureContext('''