gettext-tools.recipe: Remove libtool dependency
gettext-tools.recipe: Remove libtool dependency

Don't override ltmain.sh since that forces a libtool dependency, which
we do not need for build-tools.

nirbheek/cerbero,GStreamer/cerbero,nirbheek/cerbero,GStreamer/cerbero,GStreamer/cerbero,nirbheek/cerbero,GStreamer/cerbero,GStreamer/cerbero,nirbheek/cerbero