[gnome-klotski] help: Remove empty translations

[Piotr Drąg <piotrdrag src gnome org>]

commit b781b4c9f34716f99aaffdf70a79a0afd2269a6d
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Mar 10 21:21:01 2019 +0100

    help: Remove empty translations

 help/LINGUAS  |   2 -
 help/oc/oc.po | 433 ---------------------------------------------------------
 help/sl/sl.po | 438 ----------------------------------------------------------
 3 files changed, 873 deletions(-)
---
diff --git a/help/LINGUAS b/help/LINGUAS
index 607c057..6f6d4cf 100644
--- a/help/LINGUAS
+++ b/help/LINGUAS
@@ -9,9 +9,7 @@ eu
 fr
 hu
 it
-oc
 pl
-sl
 sr
 sr@latin
 sv