Remove dumb code

app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt

@@ -229,11 +229,6 @@ class Cache private constructor(context: Context, val galleryID: Int) : ContextW
             return@launch
 
         (lock[galleryID] ?: Mutex().also { lock[galleryID] = it }).withLock {
-            if (downloadFolder.exists() && downloadFolder.list().isNullOrEmpty()) {
-                downloadFolder.deleteRecursively()
-                downloadFolder.mkdir()
-            }
-
             val cacheMetadata = cacheFolder.getChild(".metadata")
             val downloadMetadata = downloadFolder.getChild(".metadata")