Remove deprecated code

pkg/analysis_server/lib/src/analysis_logger.dart

Index: pkg/analysis_server/lib/src/analysis_logger.dart
diff --git a/pkg/analysis_server/lib/src/analysis_logger.dart b/pkg/analysis_server/lib/src/analysis_logger.dart
index bc2276e87d6b189654eacf9a7810d1ad08dabd6b..8b9c9b61a77fb39fc784b74952edac433b34c80c 100644
--- a/pkg/analysis_server/lib/src/analysis_logger.dart
+++ b/pkg/analysis_server/lib/src/analysis_logger.dart
@@ -47,11 +47,6 @@ class AnalysisLogger implements Logger {
   }
 
   @override
-  void logError2(String message, Object exception) {
-    baseLogger.severe(message, exception);
-  }
-
-  @override
   void logInformation(String message, [CaughtException exception]) {
     if (exception == null) {
       baseLogger.info(message);
@@ -59,9 +54,4 @@ class AnalysisLogger implements Logger {
       baseLogger.info(message, exception.exception, exception.stackTrace);
     }
   }
-
-  @override
-  void logInformation2(String message, Object exception) {
-    baseLogger.info(message, exception);
-  }
 }