minor symfony#28219 Removed dead code in Kernel (kevin-biig)

This PR was merged into the 4.2-dev branch.

Discussion
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Removed dead code in Kernel

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

While navigating in `src/Symfony/Component/HttpKernel/Kernel` I saw some **dead** codes.

Commits
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91d72a6 Removed dead code in Kernel

Author: fabpot

src/Symfony/Component/HttpKernel/Kernel.php

@@ -244,19 +244,10 @@ public function locateResource($name, $dir = null, $first = true)
 
         $isResource = 0 === strpos($path, 'Resources') && null !== $dir;
         $overridePath = substr($path, 9);
-        $resourceBundle = null;
         $bundle = $this->getBundle($bundleName);
         $files = array();
 
         if ($isResource && file_exists($file = $dir.'/'.$bundle->getName().$overridePath)) {
-            if (null !== $resourceBundle) {
-                throw new \RuntimeException(sprintf('"%s" resource is hidden by a resource from the "%s" derived bundle. Create a "%s" file to override the bundle resource.',
-                    $file,
-                    $resourceBundle,
-                    $dir.'/'.$bundle->getName().$overridePath
-                ));
-            }
-
             $files[] = $file;
         }
 
@@ -265,7 +256,6 @@ public function locateResource($name, $dir = null, $first = true)
                 return $file;
             }
             $files[] = $file;
-            $resourceBundle = $bundle->getName();
         }
 
         if (\count($files) > 0) {