Minor cleanups

Author: nicolas-grekas

src/Symfony/Bundle/FrameworkBundle/composer.json

@@ -66,7 +66,6 @@
         "symfony/asset": "<3.3",
         "symfony/console": "<3.3",
         "symfony/form": "<3.3",
-        "symfony/http-kernel": "<3.4",
         "symfony/property-info": "<3.3",
         "symfony/serializer": "<3.3",
         "symfony/translation": "<3.4",

src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php

@@ -98,8 +98,6 @@ public function testNotice()
     // dummy function to test trace in error handler.
     private static function triggerNotice($that)
     {
-        // dummy variable to check for in error handler.
-        $foobar = 123;
         $that->assertSame('', $foo.$foo.$bar);
     }