Issue #27: Clean up and reorder imports.

This removes noise from following commits.

collabora_online.module

@@ -9,10 +9,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-use Drupal\Core\Entity\EntityInterface;
 use Drupal\collabora_online\Cool\CoolUtils;
-use Drupal\file\Entity\File;
-use Drupal\media\Entity\Media;
+use Drupal\Core\Entity\EntityInterface;
 
 /**
  * Implements hook_theme().

src/Controller/ViewerController.php

@@ -11,14 +11,12 @@
 
 namespace Drupal\collabora_online\Controller;
 
+use Drupal\collabora_online\Cool\CoolUtils;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\Render\RendererInterface;
-use Drupal\collabora_online\Cool\CoolUtils;
-use Drupal\file\Entity\File;
 use Drupal\media\Entity\Media;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Provides route responses for the Collabora module.

src/Controller/WopiController.php

@@ -11,15 +11,14 @@
 
 namespace Drupal\collabora_online\Controller;
 
+use Drupal\collabora_online\Cool\CoolUtils;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\File\FileSystemInterface;
-use Drupal\collabora_online\Cool\CoolUtils;
 use Drupal\file\Entity\File;
-use Drupal\media\Entity\Media;
 use Drupal\user\Entity\User;
 use Symfony\Component\HttpFoundation\BinaryFileResponse;
-use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
 
 /**
  * Provides WOPI route responses for the Collabora module.

src/Cool/CoolUtils.php

@@ -14,10 +14,8 @@
 use Drupal\Core\Url;
 use Drupal\file\Entity\File;
 use Drupal\media\Entity\Media;
-use Drupal\user\Entity\User;
 use Firebase\JWT\JWT;
 use Firebase\JWT\Key;
-use Drupal\collabora_online\Cool\CoolRequest;
 
 class CoolUtils {
     /** Get the permissions for the user

src/Plugin/Field/FieldFormatter/CoolPreview.php

@@ -11,9 +11,9 @@
 
 namespace Drupal\collabora_online\Plugin\Field\FieldFormatter;
 
-use Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase;
-use Drupal\Core\Field\FieldItemListInterface;
 use Drupal\collabora_online\Cool\CoolUtils;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase;
 
 /**
  * Plugin implementation of the 'collabora_preview' formatter.