minor #22850 [VarDumper] CS Fix extra semi-colon (chalasr)

This PR was merged into the 3.3 branch.

Discussion
----------

[VarDumper] CS Fix extra semi-colon

| Q             | A
| ------------- | ---
| Branch?       | 3.3
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | 21114f84e6
| License       | MIT
| Doc PR        | n/a

Commits
-------

c252c08 Fixed extra semi-colon

src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php

@@ -51,7 +51,6 @@ class ReflectionCaster
                 unset($v->value['position'], $v->value['isVariadic'], $v->value['byReference'], $v);
             }
         }
-        ;
 
         if (!($filter & Caster::EXCLUDE_VERBOSE) && $f = $c->getFileName()) {
             $a[$prefix.'file'] = new LinkStub($f, $c->getStartLine());