remove redundant code

Author: streamtw

src/Lfm.php

@@ -82,7 +82,7 @@ public function currentLfmType()
     public function getDisplayMode()
     {
         $type_key = $this->currentLfmType();
-        $startup_view = config('lfm.folder_categories.' . $type_key . '.startup_view');
+        $startup_view = $this->config->get('lfm.folder_categories.' . $type_key . '.startup_view');
 
         $view_type = 'grid';
         $target_display_type = $this->input('show_list') ?: $startup_view;

src/controllers/UploadController.php

@@ -2,10 +2,7 @@
 
 namespace UniSharp\LaravelFilemanager\controllers;
 
-use Illuminate\Support\Facades\File;
 use Illuminate\Support\Facades\Log;
-use Intervention\Image\Facades\Image;
-use Symfony\Component\HttpFoundation\File\UploadedFile;
 use UniSharp\LaravelFilemanager\Events\ImageIsUploading;
 use UniSharp\LaravelFilemanager\Events\ImageWasUploaded;
 use UniSharp\LaravelFilemanager\Lfm;