Removed cached files, in the index.

I removed some files from the index. Files which are irrelevant for the
PR.

youtube-dl

@@ -1,6 +0,0 @@
-#!/usr/bin/env python
-
-import youtube_dl
-
-if __name__ == '__main__':
-    youtube_dl.main()

youtube-dl.config

@@ -1,33 +0,0 @@
-# File selection
---playlist-start 1
-
-# Download options
---retries 3
-#--limit-rate nnn
-#
-# Filesystem options
-#--batch-file files_here_of_urls
---output %(title)s.%(ext).s # The filename will hold the video title. And the extension at the end.
-#--restrict-filenames # There will be no arabic song names
---no-overwrites # I may want to use this one in case I don't want to download the same files upon launching the script a second time.
---continue # Force to resume partially downloaded files. I say this is an experimental options and I want to check if the files I have downloaded are functional.
-#--no-cache-dir
-
-# Verbosity and simulation
-# --quiet # because this is a script
-#--simulate # won't download, but just show what will happen, I may want to use this option in the beginning in order to verify what youtube-dl would do. Could be used together with `-v`.
-#--verbose # for verbosity, prints debugging information.
-#--print-traffic # I think this is good information for debugging.
-#--dump-pages
-
-# Workarounds
-#--sleep-interval 198 # Sleeping before attempting the next download.
-
-# Video Format Options
-#--format worst
-# Authentication
-
-# Post-processing options:
---add-metadata # Write all the metadata that could be gotten into the output file.
---no-post-overwrites # Do not overwrite post processed files (Keep audio files). This might save me time when I just need to update
--x # Convert videos to audio. If set it will not recognized already downloaded files, because they are converted in audio format, and so they will be overwritten when retrying after a failure.