The portsnap(8) utility has been removed in the upcoming 14 stable and users are encouraged to fetch the ports tree by using:

1. pkg install git
2. git clone https://git.FreeBSD.org/ports.git /usr/ports

The following commit df53ae0fdd98 back in April inserted portsnap into the ObsoleteFiles.inc.

https://github.com/freebsd/freebsd-src/blob/main/ObsoleteFiles.inc