ports(7) manual pages outdated by D41963

#1 mentions:

• https://man.freebsd.org/cgi/man.cgi?query=ports&sektion=7&manpath=FreeBSD+14.0-STABLE
• https://man.freebsd.org/cgi/man.cgi?query=ports&sektion=7&manpath=FreeBSD+15.0-CURRENT.

Both pages refer to https://www.freebsd.org/ports/, which no longer exists.

Related:

• https://reviews.freebsd.org/D41963#960781

⚙ D41963 Website - Simplify the website