Explicitly releases the binding between the source and the target
property expressed by binding.
This function will release the reference that is being held on
the binding instance if the binding is still bound; if you want to hold on
to the #GBinding instance after calling gobject.binding.Binding.unbind, you will need
to hold a reference to it.
Note however that this function does not take ownership of binding, it
only unrefs the reference that was initially created by
gobject.object.ObjectG.bindProperty and is owned by the binding.
Explicitly releases the binding between the source and the target property expressed by binding.
This function will release the reference that is being held on the binding instance if the binding is still bound; if you want to hold on to the #GBinding instance after calling gobject.binding.Binding.unbind, you will need to hold a reference to it.
Note however that this function does not take ownership of binding, it only unrefs the reference that was initially created by gobject.object.ObjectG.bindProperty and is owned by the binding.