Refactoring directory path for storage

Plugins/Wox.Plugin.Folder/FolderStorage.cs

@@ -10,14 +10,7 @@ namespace Wox.Plugin.Folder
     {
         [JsonProperty]
         public List<FolderLink> FolderLinks { get; set; }
-        protected override string ConfigFolder
-        {
-            get { return Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location); }
-        }
 
-        protected override string ConfigName
-        {
-            get { return "setting"; }
-        }
+        protected override string FileName { get; } = "settings_folder_plugin";
     }
 }