[wesnoth-i18n] Dead textdomains in gettext.wesnoth.org

[Iris Morelle]

Hi all,

It's been brought to my attention that the wesnoth-aoi and wesnoth-test 
textdomains have continued to be listed on https://wesnoth.org/gettext/ for 
the past few months even after the 1.16 stable branch replaced 1.14 in the 
statistics. This is a rather big oversight on my part that resulted from 
technical limitations forcing us to keep wesnoth-aoi in particular around 
because of the 1.14 stable branch's statistics requiring it.

If anyone has been grabbing the wesnoth-aoi catalogues from the page, I very 
much apologize for wasting your time with a couple hundred strings that are of 
no use for the game in its current state. AOI was removed from mainline early 
during the 1.15.x cycle and therefore its translations are not going to be 
included in the game proper for version 1.16.x.

(Similarly, the wesnoth-test textdomain was removed a few releases ago, but 
luckily that was only one simple string.)

The page is now updated with all mentions of both textdomains gone. 

-- 
Regards
  Iris Morelle <irydacea/shikadiqueen>