[dia] l10n: drop checktrans scripts

[Zander <zbrown src gnome org>]

commit 80c7bb10e7de86127c0c7b4d75d95d83850c6156
Author: Zander Brown <zbrown gnome org>
Date:   Sun Oct 6 19:10:56 2019 +0100

    l10n: drop checktrans scripts
    
    horribly broken for quite a while, not massivly useful
    
    Fix https://gitlab.gnome.org/GNOME/dia/issues/24

 po-checktrans        |  23 ------
 po-checktrans.py     | 126 -------------------------------
 po/POTFILES.skip     |   1 -
 sheets/checktrans    |   7 --
 sheets/checktrans.py | 204 ---------------------------------------------------
 sheets/meson.build   |  11 ---
 6 files changed, 372 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index af06cf40..499c1721 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -3,7 +3,6 @@ data/ui/sheets-main-dialog.xml
 data/ui/sheets-new-dialog.xml
 data/ui/sheets-remove-dialog.xml
 sheets/EML.sheet.in
-po-checktrans.py
 plug-ins/layout/ogdf-simple.cpp
 plug-ins/layout/ogdf-simple.h
 plug-ins/python/otypes.py
diff --git a/sheets/meson.build b/sheets/meson.build
index 0b7bda57..453d888c 100644
--- a/sheets/meson.build
+++ b/sheets/meson.build
@@ -53,14 +53,3 @@ foreach sheet : sheet_files
         install_dir: sheetsdir
     )
 endforeach
-
-checktrans_py = find_program('checktrans.py')
-
-custom_target(
-    'sheet-translation-report',
-    build_by_default:  false,  # TODO: tracked in issue #24.
-    input: sheet_files_targets,
-    output: 'sheet-translation-report',
-    command: [checktrans_py, '@INPUT@'],
-    capture: true
-)