Remove Sync bound from async closure types
Remove Sync bound from async closure types

They are called at most once, no need for Sync here

EPashkin/gir,EPashkin/gir,GuillaumeGomez/gir,GuillaumeGomez/gir,gtk-rs/gir,GuillaumeGomez/gir,gtk-rs/gir,gtk-rs/gir