Code quality

Author: Jack251970

Flow.Launcher.Infrastructure/Image/ImageCache.cs

@@ -1,8 +1,6 @@
 using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
-using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Media;
 using BitFaster.Caching.Lfu;
@@ -55,7 +53,6 @@ public bool TryGetValue(string key, bool isFullImage, out ImageSource image)
                 return image != null;
             }
 
-
             image = null;
             return false;
         }