japanese/font-ricty{,-discord}: Update to 4.1.1

ricry_discord_converter.pe is no longer needed as everything's provided in
one script.

Also while here,

• Adjust indents
• Add NO_ARCH
• Remove "Created by:" line credits myself and masaki (approved via private communications)

Changes: http://www.rs.tus.ac.jp/yyusa/ricty.html
Approved by: pi (mentor, initial version)
Sponsored by: HAW International, Inc.
Differential Revision: https://reviews.freebsd.org/D15474