minor symfony#24249 [DI] remove confusing code (nicolas-grekas)

This PR was merged into the 2.7 branch.

Discussion
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[DI] remove confusing code

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

This code is a no-op. I guess the intention was to resolve a parametrized alias target, yet this never worked and we don't want to make it work.

Commits
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3da645e [DI] remove confusing code

Author: ogizanagi

src/Symfony/Component/DependencyInjection/Compiler/ResolveParameterPlaceHoldersPass.php

@@ -64,7 +64,7 @@ public function process(ContainerBuilder $container)
 
         $aliases = array();
         foreach ($container->getAliases() as $name => $target) {
-            $aliases[$parameterBag->resolveValue($name)] = $parameterBag->resolveValue($target);
+            $aliases[$parameterBag->resolveValue($name)] = $target;
         }
         $container->setAliases($aliases);