Fix phpdoc and coding standards

This removes the unused use statements which were not catched by
PHP-CS-Fixer because of string occurences. It also fixes some invalid
phpdoc (scalar is not recognized as a valid type for instance).

Author: stof

Tests/ContainerBuilderTest.php

@@ -16,7 +16,6 @@
 
 use Symfony\Component\Config\Resource\ResourceInterface;
 use Symfony\Component\DependencyInjection\Alias;
-use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\Definition;

Tests/Fixtures/containers/container12.php

@@ -1,7 +1,6 @@
 <?php
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Definition;
 
 $container = new ContainerBuilder();
 $container->

Tests/Loader/XmlFileLoaderTest.php

@@ -14,7 +14,6 @@
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\Config\Loader\Loader;
 use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;