Removed source strings from translated po files

        # Transifex pull

        if languages is None:

            call('tx pull -r %(res)s -a -f  --minimum-perc=5' % {'res': _tx_resource_for_name(name)}, shell=True)

            languages = sorted([d for d in os.listdir(dir_) if not d.startswith('_') and d != 'en'])

            target_langs = sorted([d for d in os.listdir(dir_) if not d.startswith('_') and d != 'en'])

        else:

            for lang in languages:

                call('tx pull -r %(res)s -f -l %(lang)s' % {

                    'res': _tx_resource_for_name(name), 'lang': lang}, shell=True)

            target_langs = languages

        # msgcat to wrap lines and msgfmt for compilation of .mo file

        for lang in languages:

        for lang in target_langs:

            po_path = '%(path)s/%(lang)s/LC_MESSAGES/django%(ext)s.po' % {

                'path': dir_, 'lang': lang, 'ext': 'js' if name.endswith('-js') else ''}

            if not os.path.exists(po_path):

                print("No %(lang)s translation for resource %(name)s" % {

                    'lang': lang, 'name': name})

                continue

            call('msgcat -o %s %s' % (po_path, po_path), shell=True)

            call('msgcat --no-location -o %s %s' % (po_path, po_path), shell=True)

            res = call('msgfmt -c -o %s.mo %s' % (po_path[:-3], po_path), shell=True)

            if res != 0:

                errors.append((name, lang))