NOTE: this should be committed after https://reviews.freebsd.org/D15472
ricty_discord_converter.pe is no longer needed as everything's provided
in one script.
Also while here,
- Adjust indents
- Remove "Created by:" line credits myself and masaki (approved via private commucations)
Changes: http://www.rs.tus.ac.jp/yyusa/ricty.html
Approved by: TO_BE_FILLED_IN (mentor)
Sponsored by: HAW International