Move the existing function to the legacy plan, as it is incompatible with this implementation.
Create a new cust_pkgng()
Rebase stack on top of D59043 update
This removal seems unrelated.
We may reference D58888 here (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296409), but that part will get fixed soon. The real reason we skip with -U is because of the invalid metalog pkg may produce.
should it be as part of the comment or the print message?
Comment.
Refactor cust_pkgng to direct tgt_pkg install and add unprivileged build check