After the gettext migration there is no point to have two
APIs for reading the same .mo file.

This patch is for sc/source/ui/view/ for easier review.

Change-Id: Ic07f7e924236d29f3cafd69c5ee634ae92105459
Reviewed-on: https://gerrit.libreoffice.org/54137Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>