Revert "Issue 27300. Report HintCode.ABSTRACT_SUPER_MEMBER_REFERENCE."

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

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.src.dart.element.element;
 
 import 'dart:collection';
 import 'dart:math' show min;
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 682 matching lines @@
           if (superElement != null) {
             classesToVisit.add(superElement);
           }
         }
       }
     }
     // not found
     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);
 
   /**
    * Set whether this class references 'super'.
    */
   void set hasReferenceToSuper(bool isReferencedSuper) {
     setModifier(Modifier.REFERENCES_SUPER, isReferencedSuper);
   }
 
@@ skipping 7702 matching lines @@
 
   @override
   void visitElement(Element element) {
     int offset = element.nameOffset;
     if (offset != -1) {
       map[offset] = element;
     }
     super.visitElement(element);
   }
 }