Remove unused filesystem.

src/Plugin/Field/FieldFormatter/BgImgFieldFormatter.php

@@ -8,7 +8,6 @@ use Drupal\Core\Entity\EntityStorageInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldItemListInterface;
-use Drupal\Core\File\FileSystemInterface;
 use Drupal\Core\File\FileUrlGeneratorInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Image\ImageFactory;
@@ -20,7 +19,6 @@ use Drupal\Core\Utility\LinkGeneratorInterface;
 use Drupal\bg_img_field\Component\Render\CSSSnippet;
 use Drupal\breakpoint\BreakpointManagerInterface;
 use Drupal\responsive_image\Plugin\Field\FieldFormatter\ResponsiveImageFormatter;
-// Use Drupal\token\TokenServiceInterface;.
 use Drupal\token\Token;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\RequestStack;
@@ -43,13 +41,6 @@ class BgImgFieldFormatter extends ResponsiveImageFormatter implements ContainerF
 
   use LoggerChannelTrait;
 
-  /**
-   * The file system service.
-   *
-   * @var \Drupal\Core\File\FileSystemInterface
-   */
-  protected $fileSystem;
-
   /**
    * The image factory service.
    *
@@ -127,8 +118,6 @@ class BgImgFieldFormatter extends ResponsiveImageFormatter implements ContainerF
    *   The current user.
    * @param \Drupal\breakpoint\BreakpointManagerInterface $breakpoint_manager
    *   The breakpoint manager service.
-   * @param \Drupal\Core\File\FileSystemInterface $fileSystem
-   *   The file system.
    * @param \Drupal\Core\Image\ImageFactory $imageFactory
    *   The image factory.
    * @param \Drupal\token\TokenServiceInterface $token_service
@@ -155,7 +144,6 @@ class BgImgFieldFormatter extends ResponsiveImageFormatter implements ContainerF
     LinkGeneratorInterface $link_generator,
     AccountInterface $current_user,
     BreakpointManagerInterface $breakpoint_manager,
-    FileSystemInterface $fileSystem,
     ImageFactory $imageFactory,
     Token $token_service,
     RequestStack $request_stack,
@@ -178,7 +166,6 @@ class BgImgFieldFormatter extends ResponsiveImageFormatter implements ContainerF
     );
 
     $this->entityTypeManager = $entityTypeManager;
-    $this->fileSystem = $fileSystem;
     $this->entityTypeManager = $entityTypeManager;
     $this->imageFactory = $imageFactory;
     $this->tokenService = $token_service;