japanese/ibus-skk: Update to 1.4.4
Take maintainership.
Split gettext into gettext-tools and gettext-runtime.
Remove USES=python, CONFIGURE_ENV and CPPFLAGS.
Simplify USE_GNOME.
Update pkg-descr.
pkg-message is almost identical to the one displayed during ibus
installation, so remove it.
https://raw.githubusercontent.com/ueno/ibus-skk/refs/tags/ibus-skk-1.4.4/NEWS
PR: 295557
Approved by: osa (mentor)