minor symfony#53340 [Messenger] remove invalid changelog entry (xabbuh)

This PR was merged into the 5.4 branch.

Discussion
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[Messenger]  remove invalid changelog entry

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | Fix symfony#50799
| License       | MIT

Commits
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513b852 remove invalid changelog entry

Author: nicolas-grekas

src/Symfony/Component/Messenger/CHANGELOG.md

@@ -29,7 +29,6 @@ CHANGELOG
  * Added factory methods `DelayStamp::delayFor(\DateInterval)` and `DelayStamp::delayUntil(\DateTimeInterface)`.
  * Removed the exception when dispatching a message with a `DispatchAfterCurrentBusStamp` and not in a context of another dispatch call
  * Added `WorkerMessageRetriedEvent`
- * Added `WorkerMessageReceivedEvent::setEnvelope()` and made event mutable
 
 5.1.0
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