Drop application name

Because the minimum migrations version doesn't contain the application name
anymore, it is also removed from the bundle config.

Author: SenseException

DependencyInjection/Configuration.php

@@ -46,8 +46,6 @@ public function getConfigTreeBuilder() : TreeBuilder
             ->fixXmlConfig('migration', 'migrations')
             ->fixXmlConfig('migrations_path', 'migrations_paths')
             ->children()
-                ->scalarNode('name')->defaultValue('Application Migrations')->end()
-
                 ->arrayNode('migrations_paths')
                     ->info('A list of namespace/path pairs where to look for migrations.')
                     ->isRequired()

Tests/Fixtures/conf.xml

@@ -8,7 +8,6 @@
 
 
     <doctrine:config
-            name="Doctrine Sandbox Migrations"
             all_or_nothing="true"
             check_database_platform="true"
             organize-migrations="BY_YEAR_AND_MONTH"