[totem] build: Removed duplicated po_dir definition

[Bastien Nocera <hadess src gnome org>]

commit 025ae36498a44b4c4ab530581a0d710650e8cd4d
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Sun Jun 25 12:06:04 2017 +0200

    build: Removed duplicated po_dir definition
    
    po_dir is defined in the main meson build file and can be reused
    when merging translations.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=784179

 data/appdata/meson.build |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/data/appdata/meson.build b/data/appdata/meson.build
index 4c496ab..bb038a5 100644
--- a/data/appdata/meson.build
+++ b/data/appdata/meson.build
@@ -1,5 +1,3 @@
-po_dir = join_paths(meson.source_root(), 'po')
-
 i18n.merge_file ('appdata',
                  input: 'org.gnome.Totem.appdata.xml.in',
                  output: 'org.gnome.Totem.appdata.xml',