Update README.md

Author: GuardKenzie

README.md

@@ -45,9 +45,6 @@ Why listen to music if you can't look at the pretty album art?
 
 | Option               | Description                                                                                   |
 | -------------------- | --------------------------------------------------------------------------------------------- |
-| music_directory      | The path to your music directory for extracting album art from the files.                     |
-| http_base_url        | Base URL of webserver which serves the album art for your albums (takes precedence over `music_directory`). Useful for users of Android MPD clients _MAFA_ or _MPDroid_. For more information see [the MPDroid wiki](https://github.com/abarisain/dmix/wiki/Album-Art-on-your-LAN).
-| http_cover_filenames | Space separated list of filenames to use in the call to the webserver to fetch the album art. |
 | image_method         | The method to use for drawing album art. Available values are `pixcat` and `ueberzug`.        |
 
 ### mpd