Revert "Issue 27300. Report HintCode.ABSTRACT_SUPER_MEMBER_REFERENCE."

pkg/analyzer/lib/src/dart/element/element.dart

Index: pkg/analyzer/lib/src/dart/element/element.dart
diff --git a/pkg/analyzer/lib/src/dart/element/element.dart b/pkg/analyzer/lib/src/dart/element/element.dart
index 7e6adf9b54fcbd27f0ef4a78cde8625e4c9c4d9b..5d70df8c45ec1ec15a4f8384af627469031b6858 100644
--- a/pkg/analyzer/lib/src/dart/element/element.dart
+++ b/pkg/analyzer/lib/src/dart/element/element.dart
@@ -700,18 +700,6 @@ class ClassElementImpl extends AbstractClassElementImpl
     return false;
   }
 
-  /**
-   * Return `true` if the class has a `noSuchMethod()` method distinct from the
-   * one declared in class `Object`, as per the Dart Language Specification
-   * (section 10.4).
-   */
-  bool get hasNoSuchMethod {
-    MethodElement method =
-        lookUpMethod(FunctionElement.NO_SUCH_METHOD_METHOD_NAME, library);
-    ClassElement definingClass = method?.enclosingElement;
-    return definingClass != null && !definingClass.type.isObject;
-  }
-
   @override
   bool get hasReferenceToSuper => hasModifier(Modifier.REFERENCES_SUPER);