Update README.md

src/XrdApps/XrdClJCachePlugin/README.md

@@ -152,7 +152,7 @@ Usage: xrdclcacheclean <directory> <highwatermark> <lowwatermark> <interval>
 ```
 
 # 7 To-Do List
-- Pre-shard cache directory structure not to have all cached files in a flat directory listing
+- ~~Pre-shard cache directory structure not to have all cached files in a flat directory listing~~ (won't do)
 - ~~Add async response handler to allow fully asynchronous open through the cache~~ (not required, already fully asynchronous)
 - Add optional dynamic read-ahead with window scaling
 - Add cache-cleaning as option to client plug-in