remove an unneeded failing legacy test

The removed test is not needed anymore as it is already covered by the
`testEnabledStrictEmailOptionIsMappedToStrictEmailValidationMode` and
`testDisabledStrictEmailOptionIsMappedToLooseEmailValidationMode` tests.

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/validation_strict_email.php

@@ -1,7 +0,0 @@
-<?php
-
-$container->loadFromExtension('framework', array(
-    'validation' => array(
-        'strict_email' => true,
-    ),
-));

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/validation_strict_email.xml

@@ -1,11 +0,0 @@
-<?xml version="1.0" ?>
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xmlns:framework="http://symfony.com/schema/dic/symfony"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
-        http://symfony.com/schema/dic/symfony http://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
-
-    <framework:config>
-        <framework:validation strict-email="true" />
-    </framework:config>
-</container>

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/validation_strict_email.yml

@@ -1,3 +0,0 @@
-framework:
-    validation:
-        strict_email: true

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -758,13 +758,6 @@ abstract class FrameworkExtensionTest extends TestCase
         $this->assertSame('messages', $container->getParameter('validator.translation_domain'));
     }
 
-    public function testValidationStrictEmail()
-    {
-        $container = $this->createContainerFromFile('validation_strict_email');
-
-        $this->assertTrue($container->getDefinition('validator.email')->getArgument(0));
-    }
-
     public function testValidationMapping()
     {
         $container = $this->createContainerFromFile('validation_mapping');