Remove ExecutableElement.labels altogether.

pkg/analyzer/test/src/summary/resynthesize_common.dart

Index: pkg/analyzer/test/src/summary/resynthesize_common.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_common.dart b/pkg/analyzer/test/src/summary/resynthesize_common.dart
index f3b679413ef11a4296aaa2f4a9ce5de636f20e33..f895e76462b96442cfa23981370d770e4d0b23db 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_common.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_common.dart
@@ -888,15 +888,6 @@ abstract class AbstractResynthesizeTest extends AbstractSingleUnitTest {
             '$desc local function ${oFunctions[i].name}');
       }
     }
-    if (original is! Member) {
-      List<LabelElement> rLabels = resynthesized.labels;
-      List<LabelElement> oLabels = original.labels;
-      expect(rLabels, hasLength(oLabels.length));
-      for (int i = 0; i < oLabels.length; i++) {
-        compareLabelElements(
-            rLabels[i], oLabels[i], '$desc label ${oLabels[i].name}');
-      }
-    }
   }
 
   void compareMetadata(List<ElementAnnotation> resynthesized,