Clean up many generated constructors

pkg/analysis_server/lib/src/services/refactoring/convert_method_to_getter.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 services.src.refactoring.convert_method_to_getter;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol_server.dart' hide Element;
 import 'package:analysis_server/src/services/correction/source_range.dart';
@@ skipping 106 matching lines @@
     List<SearchMatch> matches = await searchEngine.searchReferences(element);
     List<SourceReference> references = getSourceReferences(matches);
     for (SourceReference reference in references) {
       Element refElement = reference.element;
       SourceRange refRange = reference.range;
       // prepare invocation
       MethodInvocation invocation;
       {
         CompilationUnit refUnit = refElement.unit;
         AstNode refNode =
-            new NodeLocator.con1(refRange.offset).searchWithin(refUnit);
+            new NodeLocator(refRange.offset).searchWithin(refUnit);
         invocation = refNode.getAncestor((node) => node is MethodInvocation);
       }
       // we need invocation
       if (invocation != null) {
         SourceRange range = rangeEndEnd(refRange, invocation);
         SourceEdit edit = newSourceEdit_range(range, '');
         doSourceChange_addElementEdit(change, refElement, edit);
       }
     }
   }
 }