minor #33145 [TwigBridge] Replaced plain doc block copies with inheritdoc (derrabus)

This PR was merged into the 3.4 branch.

Discussion
----------

[TwigBridge] Replaced plain doc block copies with inheritdoc

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | preparation for #30323
| License       | MIT
| Doc PR        | N/A

Commits
-------

e50d3bcf31 [TwigBridge] Replaced plain doc block copies with inheritdoc.

src/Symfony/Bridge/Twig/Extension/RoutingExtension.php

@@ -33,9 +33,7 @@ class RoutingExtension extends AbstractExtension
     }
 
     /**
-     * Returns a list of functions to add to the existing list.
-     *
-     * @return array An array of functions
+     * {@inheritdoc}
      */
     public function getFunctions()
     {

src/Symfony/Bridge/Twig/TokenParser/TransChoiceTokenParser.php

@@ -27,11 +27,7 @@ use Twig\Token;
 class TransChoiceTokenParser extends TransTokenParser
 {
     /**
-     * Parses a token and returns a node.
-     *
-     * @return Node
-     *
-     * @throws SyntaxError
+     * {@inheritdoc}
      */
     public function parse(Token $token)
     {
@@ -82,9 +78,7 @@ class TransChoiceTokenParser extends TransTokenParser
     }
 
     /**
-     * Gets the tag name associated with this token parser.
-     *
-     * @return string The tag name
+     * {@inheritdoc}
      */
     public function getTag()
     {

src/Symfony/Bridge/Twig/TokenParser/TransDefaultDomainTokenParser.php

@@ -24,9 +24,7 @@ use Twig\TokenParser\AbstractTokenParser;
 class TransDefaultDomainTokenParser extends AbstractTokenParser
 {
     /**
-     * Parses a token and returns a node.
-     *
-     * @return Node
+     * {@inheritdoc}
      */
     public function parse(Token $token)
     {
@@ -38,9 +36,7 @@ class TransDefaultDomainTokenParser extends AbstractTokenParser
     }
 
     /**
-     * Gets the tag name associated with this token parser.
-     *
-     * @return string The tag name
+     * {@inheritdoc}
      */
     public function getTag()
     {

src/Symfony/Bridge/Twig/TokenParser/TransTokenParser.php

@@ -28,11 +28,7 @@ use Twig\TokenParser\AbstractTokenParser;
 class TransTokenParser extends AbstractTokenParser
 {
     /**
-     * Parses a token and returns a node.
-     *
-     * @return Node
-     *
-     * @throws SyntaxError
+     * {@inheritdoc}
      */
     public function parse(Token $token)
     {
@@ -83,9 +79,7 @@ class TransTokenParser extends AbstractTokenParser
     }
 
     /**
-     * Gets the tag name associated with this token parser.
-     *
-     * @return string The tag name
+     * {@inheritdoc}
      */
     public function getTag()
     {