ostbuild: Clean up artifact splitting, put non-symlink .so in runtime
ostbuild: Clean up artifact splitting, put non-symlink .so in runtime

We were breaking nss which just installs libnss3.so as the real
shared library.

GNOME/ostree,GNOME/ostree,resin-io/ostree,leandrosansilva/ostree,sujitfulse/ostree,resin-io/ostree,GNOME/ostree,gatispaeglis/ostree,GNOME/ostree,resin-io/ostree,sujitfulse/ostree,leandrosansilva/ostree,gatispaeglis/ostree,gatispaeglis/ostree,gatispaeglis/ostree,leandrosansilva/ostree,GNOME/ostree,sujitfulse/ostree,sujitfulse/ostree,sujitfulse/ostree,leandrosansilva/ostree,resin-io/ostree,resin-io/ostree,leandrosansilva/ostree,gatispaeglis/ostree,gatispaeglis/ostree