[PRQ#48265] Deletion Request for redis3

[notify]

MarsSeed [1] filed a deletion request for redis3 [2]:

Unused legacy redis 3 version from 2017.
EOL since 2019.

[1] https://aur.archlinux.org/account/MarsSeed/
[2] https://aur.archlinux.org/pkgbase/redis3/