minor #28676 [CS] Remove empty comment (carusogabriel)

This PR was merged into the 2.8 branch.

Discussion
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[CS] Remove empty comment

| Q             | A
| ------------- | ---
| Branch?       | 2.8
| Bug fix?      | no
| New feature?  | no <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | -   <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | - <!-- required for new features -->

Commits
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3bfd877e16 [CS] Remove empty comment

src/Symfony/Component/PropertyAccess/PropertyAccessor.php

@@ -170,7 +170,6 @@ class PropertyAccessor implements PropertyAccessorInterface
                 // '[a][b][c]' => 'old-value'
                 // If you want to change its value to 'new-value',
                 // you only need set value for '[a][b][c]' and it's safe to ignore '[a][b]' and '[a]'
-                //
                 if ($overwrite) {
                     $property = $propertyPath->getElement($i);