builder-tool: Don't simplify translatable="yes"
builder-tool: Don't simplify translatable="yes"

It turns out that xgettext does not understand translatable="1",
so don't make gtk-builder-tool produce this, even though
GtkBuilder can parse it just fine.

https://bugzilla.gnome.org/show_bug.cgi?id=754928

jadahl/gtk,jigpu/gtk,jigpu/gtk,jigpu/gtk,grubersjoe/adwaita,jigpu/gtk,alexlarsson/gtk,davidgumberg/gtk,alexlarsson/gtk,alexlarsson/gtk,davidgumberg/gtk,grubersjoe/adwaita,davidgumberg/gtk,jadahl/gtk,jigpu/gtk,jadahl/gtk,alexlarsson/gtk,jadahl/gtk,grubersjoe/adwaita,jigpu/gtk,davidgumberg/gtk,alexlarsson/gtk,grubersjoe/adwaita,davidgumberg/gtk,jadahl/gtk,davidgumberg/gtk,grubersjoe/adwaita,grubersjoe/adwaita,davidgumberg/gtk,jadahl/gtk,alexlarsson/gtk,alexlarsson/gtk,alexlarsson/gtk,jigpu/gtk,grubersjoe/adwaita,jadahl/gtk,jigpu/gtk,grubersjoe/adwaita,jadahl/gtk,davidgumberg/gtk