[dreamwidth/dw-free] b646cd: Remove recentactions/actionhistory (#2232)

[github]

Branch: refs/heads/develop
Home: https://github.com/dreamwidth/dw-free
Commit: b646cdbae01f0aa20804fcaa4e81254339813af1
https://github.com/dreamwidth/dw-free/commit/b646cdbae01f0aa20804fcaa4e81254339813af1
Author: Mark Smith <mark@qq.is>
Date: 2017-10-29 (Sun, 29 Oct 2017)

Changed paths:
M bin/maint/clean_caches.pl
M bin/moveucluster.pl
M bin/upgrading/update-db-general.pl
M cgi-bin/LJ/DB.pm
M cgi-bin/LJ/Protocol.pm
M cgi-bin/LJ/Sendmail.pm

Log Message:
-----------
Remove recentactions/actionhistory (#2232)

This functionality is presently unused by Dreamwidth and has crufted.
Let's machete it.