[gnome-chess] help: Remove DocBook translations

[Piotr Drąg <piotrdrag src gnome org>]

commit 7cfb8ca9e3dfa20064e529715f0a6e7b405fd24e
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Mar 10 21:19:03 2019 +0100

    help: Remove DocBook translations

 help/LINGUAS              |   19 -
 help/ca/ca.po             | 1151 --------------------------------
 help/cs/cs.po             | 1310 -------------------------------------
 help/da/da.po             | 1349 --------------------------------------
 help/de/de.po             | 1512 -------------------------------------------
 help/el/el.po             | 1578 --------------------------------------------
 help/en_GB/en_GB.po       | 1135 --------------------------------
 help/es/es.po             | 1583 ---------------------------------------------
 help/eu/eu.po             | 1138 --------------------------------
 help/fr/fr.po             | 1465 -----------------------------------------
 help/gl/gl.po             | 1012 -----------------------------
 help/ja/ja.po             | 1116 --------------------------------
 help/ko/ko.po             | 1389 ---------------------------------------
 help/oc/oc.po             |  527 ---------------
 help/pt_BR/pt_BR.po       | 1555 --------------------------------------------
 help/ru/ru.po             | 1130 --------------------------------
 help/sl/sl.po             |  865 -------------------------
 help/sr/sr.po             | 1128 --------------------------------
 help/sr@latin/sr latin po | 1128 --------------------------------
 help/zh_CN/zh_CN.po       | 1024 -----------------------------
 20 files changed, 23114 deletions(-)
---
diff --git a/help/LINGUAS b/help/LINGUAS
index f740984..2692dd8 100644
--- a/help/LINGUAS
+++ b/help/LINGUAS
@@ -1,22 +1,3 @@
 # please keep this list sorted alphabetically
-ca
-cs
-da
-de
-el
-en_GB
-es
-eu
-fr
-gl
-ja
-ko
-oc
 pl
-pt_BR
-ru
-sl
-sr
-sr@latin
 sv
-zh_CN