Clean-up and progress on analysis server

pkg/analysis_server/lib/src/analysis_logger.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 analysis.logger;
 
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:logging/logging.dart' as logging;
 
 /**
@@ skipping 10 matching lines @@
   void logError(String message) {
     baseLogger.severe(message);
   }
 
   @override
   void logError2(String message, Exception exception) {
     baseLogger.severe(message, exception);
   }
 
   @override
-  void logError3(Exception exception) {
-    baseLogger.severe("Exception", exception);
-  }
-
-  @override
   void logInformation(String message) {
     baseLogger.info(message);
   }
 
   @override
   void logInformation2(String message, Exception exception) {
     baseLogger.info(message, exception);
   }
-
-  @override
-  void logInformation3(String message, Exception exception) {
-    baseLogger.info(message, exception);
-  }
 }