use recent file layout and make this stuff work

src/DependencyInjection/Configuration.php

@@ -21,27 +21,6 @@ final class Configuration implements ConfigurationInterface
             ->end()
         ->end();
 
-        #$rootNode->fixXmlConfig('connection')
-        #    ->children()
-        #        ->arrayNode('connections')
-        #            ->useAttributeAsKey('name')
-        #            ->normalizeKeys(false)
-        #            ->arrayPrototype()
-        #                ->children()
-        #                    ->scalarNode('url')
-        #                        ->isRequired()
-        #                        ->info('Base URL of the Redmine instance')
-        #                    ->end()
-        #                    ->scalarNode('apikey')
-        #                        ->isRequired()
-        #                        ->info('Redmine API-Key')
-        #                    ->end()
-        #                ->end()
-        #            ->end()
-        #        ->end()
-        #        ->scalarNode('default_connection')->end()
-        #;
-
         return $treeBuilder;
     }
 }

src/DependencyInjection/MagdevRedmineExtension.php

@@ -19,7 +19,7 @@ final class MagdevRedmineExtension extends Extension
 
         $container->setParameter('magdev_redmine.ttl', $config['ttl']);
 
-        $loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader = new YamlFileLoader($container, new FileLocator(dirname(__DIR__).'/../config'));
         $loader->load('services.yaml');
     }
 }

src/Resources/config/services.yaml

@@ -1,3 +0,0 @@
-services:
-    Magdev\RedmineBundle\Client\RedmineClient:
-        arguments: ['@redmine_api.cache', '%env(REDMINE_URL)%', '%env(REDMINE_APIKEY)%', '%magdev_redmine.ttl%']