remove redundant code

Author: streamtw

src/Handlers/ConfigHandler.php

@@ -6,6 +6,6 @@ class ConfigHandler
 {
     public function userField()
     {
-        return auth()->user()->id;
+        return auth()->id();
     }
 }

src/LfmStorageRepository.php

@@ -5,7 +5,7 @@
 use Illuminate\Support\Facades\Storage;
 use League\Flysystem\Cached\CachedAdapter;
 
-class LfmStorageRepository implements RepositoryContract
+class LfmStorageRepository
 {
     private $disk;
     private $path;