ostbuild: Ensure private libraries are in runtime, and kill .la files
ostbuild: Ensure private libraries are in runtime, and kill .la files

A regular libfoo.so not in one of the regular directories should go in
runtime.  (Probably we should double check it's a regular file too).

Also, delete .la files unconditionally.

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