Code clean up.

app/Providers/AttachmentServiceProvider.php

@@ -18,10 +18,8 @@
  * You should have received a copy of the GNU General Public License
  * along with Firefly III.  If not, see <http://www.gnu.org/licenses/>.
  */
-
 declare(strict_types=1);
 
-
 namespace FireflyIII\Providers;
 
 use FireflyIII\Repositories\Attachment\AttachmentRepository;
@@ -30,26 +28,19 @@ use Illuminate\Foundation\Application;
 use Illuminate\Support\ServiceProvider;
 
 /**
- * Class AttachmentServiceProvider
- *
- * @package FireflyIII\Providers
+ * Class AttachmentServiceProvider.
  */
 class AttachmentServiceProvider extends ServiceProvider
 {
     /**
      * Bootstrap the application services.
-     *
-     * @return void
      */
     public function boot()
     {
-        //
     }
 
     /**
      * Register the application services.
-     *
-     * @return void
      */
     public function register()
     {