Remove error_notification from the configuration yml tree

DependencyInjection/Configuration.php

@@ -23,15 +23,6 @@ public function getConfigTreeBuilder()
         $rootNode
         ->children()
             ->scalarNode('output_file_prefix')->defaultValue(gethostname())->end()
-            ->arrayNode('error_notification')
-                ->addDefaultsIfNotSet()
-                ->children()
-                    ->scalarNode('from')->defaultValue('[email protected]')->end()
-                    ->arrayNode('to')
-                        ->prototype('scalar')->end()
-                    ->end()
-                ->end()
-            ->end()
             ->scalarNode('timeout')->defaultValue(300)->end()
             ->arrayNode('processor')
                 ->addDefaultsIfNotSet()

README.md

@@ -211,6 +211,8 @@ $ php app/console dizda:backup:start zip
 
 In addition, using -F or --folder option the folders also will be added to the backup.
 
+Obviously, if some problems occurs during the backup process, you can configure monolog to send you emails. 
+
 Which archiver do I use?
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