community/inkscape: remove libsoup from makedepends
libsoup isn't used anymore by inkscape
Ref https://gitlab.com/inkscape/inkscape/-/commit/a739d30b02bef4b125c0a27e0d80b5d508a427ae
libsoup isn't used anymore by inkscape
Ref https://gitlab.com/inkscape/inkscape/-/commit/a739d30b02bef4b125c0a27e0d80b5d508a427ae