minor symfony#25514 [FrameworkBundle] remove an unneeded failing legacy test (xabbuh)

This PR was merged into the 4.1-dev branch.

Discussion
----------

[FrameworkBundle] remove an unneeded failing legacy test

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

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

Commits
-------

4a62350 remove an unneeded failing legacy test

Author: xabbuh

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

@@ -758,13 +758,6 @@ public function testValidationTranslationDomain()
         $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');