bug symfony#57248 [DoctrineBridge] Revert deprecating by-{id} mapping of entities (nicolas-grekas)

This PR was merged into the 7.1 branch.

Discussion
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[DoctrineBridge] Revert deprecating by-{id} mapping of entities

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

As discussed in symfony#57211
Introduced in symfony#54455

Commits
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b81a62c [DoctrineBridge] Revert deprecating by-{id} mapping of entities

Author: fabpot

src/Symfony/Bridge/Doctrine/ArgumentResolver/EntityValueResolver.php

@@ -156,9 +156,8 @@ private function getIdentifier(Request $request, MapEntity $options, ArgumentMet
 
             return $id ?? ($options->stripNull ? false : null);
         }
-        if ($request->attributes->has('id')) {
-            trigger_deprecation('symfony/doctrine-bridge', '7.1', 'Relying on auto-mapping for Doctrine entities is deprecated for argument $%s of "%s": declare the mapping using either the #[MapEntity] attribute or mapped route parameters.', $argument->getName(), method_exists($argument, 'getControllerName') ? $argument->getControllerName() : 'n/a');
 
+        if ($request->attributes->has('id')) {
             return $request->attributes->get('id') ?? ($options->stripNull ? false : null);
         }