minor #26225 Make deprecation notices less verbose (fabpot)

This PR was merged into the 4.1-dev branch.

Discussion
----------

Make deprecation notices less verbose

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

I think there is no need to say that deprecated features will be removed in the next major version. That makes messages more verbose for no real reasons.

Commits
-------

0c6ec3fec0 made deprecation notices less verbose

Author: fabpot

CHANGELOG.md

@@ -8,8 +8,8 @@ CHANGELOG
  * Added a new `parameter_bag` service with related autowiring aliases to access parameters as-a-service
  * Allowed the `Router` to work with any PSR-11 container
  * Added option in workflow dump command to label graph with a custom label
- * Using a `RouterInterface` that does not implement the `WarmableInterface` is deprecated and will not be supported in Symfony 5.0.
- * The `RequestDataCollector` class has been deprecated and will be removed in Symfony 5.0. Use the `Symfony\Component\HttpKernel\DataCollector\RequestDataCollector` class instead.
+ * Using a `RouterInterface` that does not implement the `WarmableInterface` is deprecated.
+ * The `RequestDataCollector` class has been deprecated. Use the `Symfony\Component\HttpKernel\DataCollector\RequestDataCollector` class instead.
  * The `RedirectController` class allows for 307/308 HTTP status codes
 
 4.0.0

DataCollector/RequestDataCollector.php

@@ -13,14 +13,14 @@
 
 use Symfony\Component\HttpKernel\DataCollector\RequestDataCollector as BaseRequestDataCollector;
 
-@trigger_error(sprintf('The "%s" class is deprecated since version 4.1 and will be removed in Symfony 5.0. Use %s instead.', RequestDataCollector::class, BaseRequestDataCollector::class), E_USER_DEPRECATED);
+@trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.1. Use %s instead.', RequestDataCollector::class, BaseRequestDataCollector::class), E_USER_DEPRECATED);
 
 /**
  * RequestDataCollector.
  *
  * @author Jules Pietri <jusles@heahprod.com>
  *
- * @deprecated since version 4.1, to be removed in Symfony 5.0
+ * @deprecated since Symfony 4.1
  */
 class RequestDataCollector extends BaseRequestDataCollector
 {

Resources/config/session.xml

@@ -70,7 +70,7 @@
         </service>
 
         <service id="session.save_listener" class="Symfony\Component\HttpKernel\EventListener\SaveSessionListener">
-            <deprecated>The "%service_id%" service is deprecated since Symfony 4.1 and will be removed in 5.0. Use the "session_listener" service instead.</deprecated>
+            <deprecated>The "%service_id%" service is deprecated since Symfony 4.1. Use the "session_listener" service instead.</deprecated>
         </service>
 
         <!-- for BC -->