Remove deprecated code

pkg/analysis_server/test/abstract_context.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 testing.abstract_context;
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/source/package_map_resolver.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 108 matching lines @@
 
   @override
   void logError(String message, [CaughtException exception]) {
     print(message);
     if (exception != null) {
       print(exception);
     }
   }
 
   @override
-  void logError2(String message, Object exception) {
-    print(message);
-    if (exception != null) {
-      print(exception);
-    }
-  }
-
-  @override
   void logInformation(String message, [CaughtException exception]) {
     print(message);
     if (exception != null) {
       print(exception);
     }
   }
-
-  @override
-  void logInformation2(String message, Object exception) {
-    print(message);
-    if (exception != null) {
-      print(exception);
-    }
-  }
 }
 
 /**
  * Wraps the given [_ElementVisitorFunction] into an instance of
  * [engine.GeneralizingElementVisitor].
  */
 class _ElementVisitorFunctionWrapper extends GeneralizingElementVisitor {
   final _ElementVisitorFunction function;
   _ElementVisitorFunctionWrapper(this.function);
   visitElement(Element element) {
     function(element);
     super.visitElement(element);
   }
 }