minor #31675 [Intl][4.3] Cleanup internal api (ro0NL)

This PR was merged into the 4.3 branch.

Discussion
----------

[Intl][4.3] Cleanup internal api

| Q             | A
| ------------- | ---
| Branch?       | 4.3
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | #...   <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | symfony/symfony-docs#... <!-- required for new features -->

Forgotten in #31411 (comment)

Commits
-------

6eab5d2 [Intl][4.3] Cleanup internal api

src/Symfony/Component/Intl/Data/Provider/LanguageDataProvider.php

@@ -18,7 +18,7 @@
  *
  * @author Bernhard Schussek <bschussek@gmail.com>
  *
- * @internal
+ * @internal to be removed in 5.0.
  */
 class LanguageDataProvider
 {
@@ -37,17 +37,11 @@ public function __construct(string $path, BundleEntryReaderInterface $reader)
         $this->reader = $reader;
     }
 
-    /**
-     * @internal to be removed in 5.0.
-     */
     public function getLanguages()
     {
         return $this->reader->readEntry($this->path, 'meta', ['Languages']);
     }
 
-    /**
-     * @internal to be removed in 5.0.
-     */
     public function getAliases()
     {
         return $this->reader->readEntry($this->path, 'root', ['Aliases']);
@@ -62,9 +56,6 @@ public function getName($language, $displayLocale = null)
         return $this->reader->readEntry($this->path, $displayLocale, ['Names', $language]);
     }
 
-    /**
-     * @internal to be removed in 5.0.
-     */
     public function getNames($displayLocale = null)
     {
         if (null === $displayLocale) {
@@ -83,9 +74,6 @@ public function getNames($displayLocale = null)
         return $languages;
     }
 
-    /**
-     * @internal to be removed in 5.0.
-     */
     public function getAlpha3Code($language)
     {
         return $this->reader->readEntry($this->path, 'meta', ['Alpha2ToAlpha3', $language]);

src/Symfony/Component/Intl/Data/Provider/RegionDataProvider.php

@@ -18,7 +18,7 @@
  *
  * @author Bernhard Schussek <bschussek@gmail.com>
  *
- * @internal
+ * @internal to be removed in 5.0.
  */
 class RegionDataProvider
 {
@@ -37,9 +37,6 @@ public function __construct(string $path, BundleEntryReaderInterface $reader)
         $this->reader = $reader;
     }
 
-    /**
-     * @internal to be removed in 5.0.
-     */
     public function getRegions()
     {
         return $this->reader->readEntry($this->path, 'meta', ['Regions']);
@@ -54,9 +51,6 @@ public function getName($region, $displayLocale = null)
         return $this->reader->readEntry($this->path, $displayLocale, ['Names', $region]);
     }
 
-    /**
-     * @internal to be removed in 5.0.
-     */
     public function getNames($displayLocale = null)
     {
         if (null === $displayLocale) {

src/Symfony/Component/Intl/Data/Provider/ScriptDataProvider.php

@@ -18,7 +18,7 @@
  *
  * @author Bernhard Schussek <bschussek@gmail.com>
  *
- * @internal
+ * @internal to be removed in 5.0.
  */
 class ScriptDataProvider
 {
@@ -37,9 +37,6 @@ public function __construct(string $path, BundleEntryReaderInterface $reader)
         $this->reader = $reader;
     }
 
-    /**
-     * @internal to be removed in 5.0.
-     */
     public function getScripts()
     {
         return $this->reader->readEntry($this->path, 'meta', ['Scripts']);
@@ -54,9 +51,6 @@ public function getName($script, $displayLocale = null)
         return $this->reader->readEntry($this->path, $displayLocale, ['Names', $script]);
     }
 
-    /**
-     * @internal to be removed in 5.0.
-     */
     public function getNames($displayLocale = null)
     {
         if (null === $displayLocale) {