move ch{own,grp}(8) and tee(1) to FreeBSD-runtime

[ivy]

Summary

chown and chgrp are almost essential for system management; in
particular, a lot of rc.d scripts rely on them. tee is quite
commonly used in shell scripts, and is small enough that there's
no real need for it to be in -utilities.

PR: 287014

[dch]

\o/