Christopher Davis authored Apr 22, 2019 and Daniel Garcia Moreno committed Apr 27, 2019

Our workaround for getting meson and cargo working together
included a separate 'release' target that replaced
'ninja dist' so that we could vendor dependencies.

Now we use meson's add_dist_script to vendor the
dependencies as part of 'ninja dist', so we no longer need
the 'release' target.